Ravindra Joshi

Ph.D. in Electrical Engineering, Arizona State University, (1988)

Other in Electrical Engineering, Indian Institute of Technology Delhi, (1985)

Other in Electrical Engineering, Indian Institute of Technology Delhi, (1983)

Research Interests

Semiconductor modeling, Bioelectrics, Plasma process modeling, Laser-Tissue interactions

Articles

Joshi, R. and Song, J. (2010). Model Analysis of Electric Fields Induced by High-Voltage Pulsing in Cylindrical Nerves. IEEE Trans. Plasma Science 38 , pp. 2894-2900.

Joshi, R. (2010). Analysis of Cell Membrane Permeabilization Mechanics and Pore Shape Due to Ultrashort Electrical Pulsing. Medical and Biological Engineering and Computing 48 , pp. 837-844.

Joshi, R. (2010). Cellular Apoptosis by Nanosecond, High-Intensity Electric Pulses: Model Evaluation into the Extrinsic Pathway and Pulsing Threshold. Bioelectrochemistry 31 , pp. 179-185.

Joshi, R. (2010). Model Study of Time-Dependent Muscle Response to Pulsed Electrical Stimulation. Bioelectromagnetics 31 , pp. 361-369.

Schoenbach, K. H., Joshi, R., Beebe, S. J. and Baum, C. (2009). A Scaling Law for Bioelectric Effects of Nanosecond Pulses. IEEE Trans. Dielectr. and Electr. Insula. 16 , pp. 1224-1235.

Hu, Q. and Joshi, R. (2009). Analysis of Intense, Subnanosecond Electrical Pulse-Induced Transmembrane Voltage in Spheroidal Cells With Arbitrary Orientation. IEEE Trans. Biomedical Engineering 56 , pp. 1617-1626.

Joshi, R., Song, J. and Sridhara, V. (2009). Aspects of Lipid Membrane Bio-Responses to Subnanosecond. IEEE Trans. Dielectr. and Electr. Insula. 16 , pp. 1243-1250.

Joshi, R., Kolb, J. F., Xiao, S. and Schoenbach, K. H. (2009). Aspects of Plasma in Water: Streamer Physics and Applications. Plasma Processes and Polymers 6 , pp. 763-777.

Hu, Q., Joshi, R. and Beskok, A. (2009). Model Study of Electroporation Effects on the Dielectrophoretic Response of Spheroidal Cells. Journal of Applied Physics 106 (024701) , pp. 1-8.

Xiao, S., Joshi, R., Kolb, J. F. and Schoenbach, K. H. (2009). Nanosecond, Electrical Triggering of Water Switches. IEEE Trans. Plasma Science 26 , pp. 1066-1075.

Hu, Q. and Joshi, R. (2009). Transmembrane Voltage Analyses in Spheroidal Cells In Response to An Intense Subnanosecond Electrical Pulse. Physical Review E 79 (011901).

Xiao, S., Joshi, R., Kolb, J. F. and Schoenbach, K. H. (2009). Nanosecond, Electrical Triggering of Water Switches. IEEE Trans. Dielectrics and Electrical Insulation 16 (4) , pp. 1066-1075.

Schoenbach, K. H., Kolb, J. F., Xiao, S., Katsuki, S., Minamitani, J. and Joshi, R. (2008). Electrical Breakdown of Water in Microgaps. Plasma Sources Science and Technology 17 (024010).

Zhao, G., Joshi, R. and Hjalmarson, H. P. (2008). Grain Size and Disorder Effects on Potential Pulsed Voltage Failures in Microstructured ZnO Varistors – Electro-Thermal Simulation Studies. Journ. Amer. Ceramic Soc 91 , pp. 1188-1193.

Joshi, R., Mishra, A. and Schoenbach, K. H. (2008). Model Assessment of Cell Membrane Breakdown in Clusters and Tissues Under High-Intensity Electric Pulsing. IEEE Trans. Plasma Science 36 (1680).

Zhao, G., Joshi, R., Rogers, S., Schamiloglu, E. and Hjalmarson, H. P. (2008). Simulation Studies for Non-Linear Transmission Line Based Ultra-Fast Rise Times and Waveform Shaping for Pulsed Power Applications. IEEE Trans. Plasma Sci. 36 (2618).

Joshi, R., Mbaye, F., Basappa, P., Sang-Dong, J., Kim, J. and Hall, J. C. (2008). Simulation Studies of Internal Mechanisms In The Deflection of a Cantilever Cellulose Electroactive Polymer (EAP) Structure. Journ. Appl. Phys. 103 (064912).

Joshi, R., Mishra, A., Song, J., Pakhomov, A. and Schoenbach, K. H. (2008). Simulation Studies of Ultra-Short, High-Intensity Electric Pulse Induced Action Potential Block in Whole-Animal Nerves. IEEE Trans. Biomedical Engineering 55 (1391).

Joshi, R. and Mishra, A. (2008). Simulations of Distributed Voltages in Full-Body Bio-Models Using Symmetric Factorization with Massively Parallel Solvers in Response to External Pulsing. IEEE Trans. Plasma Science 36 (1673).

Kolb, J. F., Joshi, R., Xiao, S. and Schoenbach, K. H. (2008). Streamers in Water and Other Dielectric Liquids. J. Phys. D: Appl. Phys. 41 (234007).

Schoenbach, K. H., Xiao, S., Joshi, R., Camp, J. T., Heeren, T., Kolb, J. F. and Beebe, S. J. (2008). The Effect of Intense Subnanosecond Electrical Pulses on Biological Cells. IEEE Trans. Plasma Sci. 36 (414).

Schoenbach, K. H., Xiao, S., Joshi, R., Camp, J. T., Heeren, T., Kolb, J. F. and Beebe, S. J. (2008). The Effect of Intense Subnanosecond Electrical Pulses on Biological Cells. IEEE Trans. Plasma Science 36 (2) , pp. 414.

Gerber, H. L., Joshi, R. and Tseng, C. C. (2008). Using Bode Plots to Access Intracellular Coupling. IEEE Trans. Plasma Sci 36 (1659).

Osgood, C. J., Schoenbach, K. H., Hargrave, B., Joshi, R., Kolb, J. F., Nuccitelli, R., Pakhomov, A., Stacey, M. W., Swanson, R. J., White, J., Xiao, S. and Zhang, J. (2007). Bioelectric effects of intense nanosecond pulses. IEEE Transact Dielectrics Electrical Insul 14 , pp. 1088-1109.

Schoenbach, K. H., Hargrave, B., Joshi, R., Kolb, J. F., Osgood, C. J., Nuccitelli, R., Pakhomov, A., Swanson, R. J., Stacey, M., White, J. A., Xiao, S., Zhang, J., Beebe, S. J., Blackmore, P. F. and Buescher, E. S. (2007). Bioelectric Effects of Nanosecond Pulses. IEEE Trans. Diel. Electr. Insul. 14 (5) , pp. 1088-1109.

Zhao, G., Joshi, R., Lakdawala, V. K. and Hjalmarson, H. (2007). Electro-Thermal Simulation Studies for Pulse Induced Energy Absorption in Nano-Crystalline ZnO Varistors. IEEE Trans. Dielectr. and Electr. Insulation 14 (1007).

Pliquett, U., Joshi, R., Sridhara, V. and Schoenbach, K. H. (2007). High Electrical Field Effects on Cell Membranes. Bioelectrochemistry 70 (275).

Pakhomov, A., Kolb, J. F., White, J. A., Joshi, R., Xiao, S. and Schoenbach, K. H. (2007). Long-Lasting Plasma Membrane Permeabilization in Mammalian Cells by Nanosecond Pulsed Electric Field (nsPEF). Bioelectromagnetics 28 , pp. 655.

Pakhomov, A. G., Shevin, R., White, J. A., Kolb, J. F., Pakhomova, O. N., Joshi, R. and Schoenbach, K. H. (2007). Membrane Permeabilization and Cell Damage by Ultrashort Electric Field Shocks. Archives of Biochemistry and Biophysics 465 (109).

Chen, N., Garner, A. L., Chen, G., Jing, Y., Deng, Y., Swanson, R. J., Kolb, J. F., Beebe, S. J., Joshi, R. and Schoenbach, K. H. (2007). Nanosecond Electric Pulses Penetrate the Nucleus and Enhance Speckle Formation. Biochemical and Biophysical Research Communications 364 (220).

Joshi, R., Mishra, A., Song, J., Hu, Q., Schoenbach, K. H. and Pakhomov, A. (2007). Self-Consistent Analyses for Potential Conduction Block in Nerves by an Ultra-Short, High-Intensity Electric Pulse,. Phys. Rev. E 45 (061906) , pp. 1-11.

Joshi, R., Nguyen, A., Sridhara, V., Hu, Q., Nuccitelli, R. and Schoenbach, K. H. (2007). Simulations of Intra-Cellular Calcium Release Dynamics in Response to a High-Intensity, Ultra-Short Electric Pulse. Phys. Rev. E 75 (041920) , pp. 1-10.

Zhao, G., Joshi, R., Lakdawala, V. K., Schamiloglu, E. and Hjalmarson, H. (2007). Studies of TiO2 Breakdown Under Pulsed Conditions. J. Appl. Phys. 101 (026110).

Garner, A. L., Chen, G., Chen, N., Sridhara, V., Kolb, J. F., Swanson, R. J., Beebe, S. J., Joshi, R. and Schoenbach, K. H. (2007). Ultrashort Electric Pulse Induced Changes in Cellular Dielectric Properties. Biochemical and Biophysical Research Communications 362 (139).

Mishra, A., Joshi, R., Schoenbach, K. H. and Clarke III, C. D. (2006). A Fast, Parallelized Computational Approach Based on Sparse LU Factorization for Predictions of Spatial and Time-Dependent Currents and Voltages in Full-Body Bio-Models. IEEE Trans. Plasma Science 34 (1431).

Joshi, R., Schamiloglu, E., Gaudet, J., Woodworth, J. R. and Lehr, J. (2006). Analysis of the Polarity Effects in the Electrical Breakdown of Liquids. J. Phys. D 39 (359).

Xiao, S., Kolb, J. F., Malik, M. A., Lu, X., Laroussi, M., Joshi, R. and Schoenbach, K. H. (2006). Electrical Breakdown and Dielectric Recovery of Polar Liquids. IEEE Trans. Plasma Science 34 , pp. 1653-1661.

Sridhara, V., Joshi, R. and Schoenbach, K. H. (2006). Microscopic Calculations of Local Lipid Membrane Permittivities and Diffusion Coefficients for Application to Electroporation Analyses. Biochemical and Biophysical Research Comm. 348 (643).

Qian, J., Joshi, R., Schoenbach, K. H., Woodworth, J. R. and Sarkisov, G. (2006). Model Analysis of Self- and Laser-Triggered Electrical Breakdown of Liquid Water for Pulsed Power Applications. IEEE Trans. Plasma Science 34 (1680).

Hu, Q., Viswanadham, S., Joshi, R., Kolb, J. and Schoenbach, K. H. (2006). Molecular Dynamics Analysis of High Electric Pulse Effects on Bilayer Membranes Containing DPPC and DPPS. IEEE Trans. Plasma Science 34 (1405).

Frey, W., White, J. A., Price, R. O., Blackmore, P. F., Joshi, R., Nuccitelli, R., Beebe, S. J., Schoenbach, K. H. and Kolb, J. F. (2006). Plasma Membrane Voltage Changes During Nanosecond Pulsed Electric Field Exposure. Biophysical Journal 90 (3608).

Qian, J., Joshi, R., Kolb, J., Schoenbach, K. H., Dickens, J., Neuver, A., Krompholz, H., Schamiloglu, E. and Gaudet, J. (2005). Micro-Bubble Based Model Analysis of Liquid Breakdown Initiation By a Sub-Microsecond Pulse. J. Appl. Phys. 97 (113304).

Hu, Q., Joshi, R. and Schoenbach, K. H. (2005). Simulations of Nanopore Formation and Phosphatidylserine Externalization in Lipid Membranes Subjected to a High-Intensity, Ultra-Short Electric Pulse. Phys. Rev. E 72 (031902).

Hu, Q., Viswanadham, S., Joshi, R., Schoenbach, K. H., Beebe, S. J. and Blackmore, P. F. (2005). Simulations of Transient Membrane Behavior in Cells Subjected to a High-Intensity, Ultra-Short Electric Pulse. Phys. Rev. E 71 (031914).

Joshi, R., Qian, J., Schoenbach, K. H. and Schamiloglu, E. (2004). A Microscopic Analysis for Water Stressed by High Electric Fields in the Pre-Breakdown Regime. . Appl. Phys. 96 (3617).

Joshi, R., Hu, Q., Schoenbach, K. H. and Beebe, S. J. (2004). An Energy-Landscape Model Analysis for Irreversibility and It’s Pulse Width Dependence in Cells Subjected to a High-Intensity, Ultrashort Electric Pulse. Phys. Rev. E 69 (051901).

Joshi, R., Qian, J., Zhao, G., Kolb, J., Schoenbach, K. H., Gaudet, J. and Schamiloglu, E. (2004). Are Micro-Bubbles Necessary for the Breakdown of Liquid Water Subjected to a Sub-Microsecond Pulse ?. J. Appl. Phys. 96 (5129).

Xiao, S., Kolb, J. F., Kono, S., Katsuki, S., Joshi, R., Laroussi, M. and Schoenbach, K. H. (2004). High Power Water Switches: Postbreakdown Phenomena and Dielectric Recovery. IEEE Trans. on Dielectrics and Electrical Insulation 11 , pp. 604-612.

Chen, N., Schoenbach, K. H., Kolb, J. F., Swanson, R. J., Garner, A. L., Yang, J., Joshi, R. and Beebe, S. J. (2004). Leukemia Cell Intracellular Responses to Nanosecond Electric Fields. Biochemical and Biophysical Research Communications 317 (421).

Joshi, R., Chen, F. and Rogers, W. R. (2004). Modeling Electrode-Based Stimulation of Muscle and Nerve by Ultra-Short Electric Pulses. IEEE Trans. Plasma Science 32 (1687).

Joshi, R., Hu, Q. and Schoenbach, K. H. (2004). Modeling Studies of Cell Response to Ultrashort, High-Intensity Electric Fields – Implications for Intracellular Manipulation. IEEE Trans. Plasma Science 32 (1677).

Beebe, S. J., Blackmore, P. F., White, J., Joshi, R. and Schoenbach, K. H. (2004). Nanosecond Pulsed Electric Fields Modulate Cell Function Through Intracellular Signal Transduction Mechanisms. Physiological Measurement 25 (1077).

Gaudet, J., Barker, R. J., Gundersen, M., Kuthi, A., Neuber, A., Dickens, J., Nunnally, W., Schamiloglu, E., Christodoulou, C., Tyo, S., Schoenbach, K. H., Joshi, R., Laroussi, M., Kolb, J. and Vidmar, R. (2004). Research Issues in Developing Compact Pulsed Power for High Peak Power Applications on Mobile Platforms. Proc. IEEE 92 (1144).

Garner, A. L., Chen, N., Yang, J., Kolb, J., Swanson, R. J., Beebe, S. J., Joshi, R. and Schoenbach, K. H. (2004). Time Domain Dielectric Spectroscopy Measurements of HL-60 Cells Suspensions after Microsecond and Nanosecond Electrical Pulses. IEEE Trans. Plasma Science 32 (2073).

Schoenbach, K. H., Joshi, R., Kolb, J., Chen, N., Stacey, M., Blackmore, P., Buescher, E. S. and Beebe, S. J. (2004). Ultrashort Electrical Pulses Open A New Gateway Into Biological Cells. Proc. IEEE 92 (1122).

Joshi, R., Viswanadha, S., Jogai, B., Shah, P. and Del Rosario, R. (2003). Analysis of Dislocation Scattering on Electron Mobility in GaN High Electron Mobility Transistors (HEMTs). J. Appl. Phys. 93 (10046).

Joshi, R., Hu, Q. and Schoenbach, K. (2003). Dynamical Modeling of Cellular Response to Short-Duration, High-Intensity Electric Fields. IEEE Trans. Dielectr. Electr. Insul. 10 (778).

Joshi, R., Qian, J., Katsuki, S., Schoenbach, K. and Schamiloglu, E. (2003). Electrical Conduction in Water Revisited: Roles of Field-Enhanced Dissociation and A Reaction-Based Boundary Condition. IEEE Trans. Dielectrics & Electrical Insulation 10 (225).

Joshi, R., Viswanadham, S., Shah, P. and Del Rosario, R. (2003). Monte Carlo Analysis of GaN-Based Gunn Oscillators for Microwave Power. J. Appl. Phys. 93 (4836).

Joshi, R. and Schoenbach, K. (2002). A Mechanism for Membrane Electroporation Irreversibility Under High-Intensity, Ultrashort Electrical Pulse Conditions. Physical Review E 66 (052901).

Joshi, R., Qian, J. and Schoenbach, K. (2002). An Electrical Network Based Time-Dependent Model of Electrical Breakdown In Water. J. Appl. Phys. 92 (6245).

Joshi, R., Hu, Q., Schoenbach, K. and Hjalmarson, H. (2002). Improved Energy Model for Membrane Electroporation in Biological Cells Subjected to Electrical Pulses. Phys. Rev. E 65 (041920).

Joshi, R., Satyanadh, G., Abedin, N. and Singh, U. (2002). Monte Carlo Calculation of Electron Drift Characteristics and Avalanche Noise in Bulk InAs. J. Appl. Phys. 91 (1331).

Satyanadh, G., Joshi, R. and Abedin, N. (2002). Monte Carlo Calculations of the Impulse Response in Bulk InAs for Low Intensity Photon Avalanche Detection at 2 Micron Wavelengths. Jap. Journ. Appl. Phys. 41 (5559).

Qian, J., Joshi, R., Schoenbach, K., Schamiloglu, E. and Christodoulou, C. (2002). Percolative Model Of Electric Breakdown In Liquid Dielectrics. IEEE Trans. Plasma Science 30 (1931).

Li, T., Joshi, R. and Del Rosario, R. (2002). Requirements for Low Intermodulation Distortion in GaN-AlGaN High Electron Mobility Transistors: A Model Assessment. IEEE Trans. Electr. Dev. ED 49 (1511).

Joshi, R., Hu, Q., Schoenbach, K. and Beebe, S. (2002). Simulations of Electroporation Dynamics and Shape Deformations in Biological Cells Subjected to High Voltage Pulses. IEEE Trans. Plasma Sci. 30 (1536).

Joshi, R., Hu, Q., Schoenbach, K. and Hjalmarson, H. (2002). Theoretical Predictions of Electro-Mechanical Deformation of Cells Subjected to High Voltages For Membrane Electroporation. Virtual Journal of Biological Physics Research - Membrane Biophysics C3.

Joshi, R., Hu, Q., Schoenbach, K. and Hjalmarson, H. (2002). Theoretical Predictions of Electro-Mechanical Deformation of Cells Subjected to High Voltages For Membrane Electroporation. Phys. Rev. E 54 (021913).

Li, T., Joshi, R., del Rosario, R. and Fazi, C. (2001). Monte Carlo Based Analysis of Inter-Modulation Distortion Behavior in GaN-AlGaN HEMTs for Microwave Applications. . Appl. Phys. 90 (3030).

Joshi, R., Hu, Q., Aly, R., Schoenbach, K. and Hjalmarson, H. (2001). Self-Consistent Simulations of Electroporation Dynamics in Biological Cells Subjected to Ultrafast Electrical Pulses. Phys. Review E 64 (11913/01).

Kayasit, P., Joshi, R., Islam, N., Schamiloglu, E. and Schoenberg, J. (2001). Transient and Steady State Simulations of Internal Temperature Profiles In High-Power Semi-Insulating GaAs Photoconductive Switches. J. Appl. Phys. 89 (1411).

Joshi, R., Neudeck, P. and Fazi, C. (2000). Analysis of the Temperature Dependent SiC Thermal Conductivity for High Temperature Applications. J. Appl. Phys. 88 (265).

Schoenbach, k., Joshi, R., Stark, R., Dobbs, F. and Beebe, S. (2000). Bacterial Decontamination of Liquids with Pulsed Electric Fields. IEEE Trans. On Dielectrics and Electrical Insulation 7 (637).

Damayanthi, P., Joshi, R. and McAdoo, J. (2000). Calculations of Hole Transport Characteristics in Bulk GaSb. J. Appl. Phys. 88 (817).

Joshi, R. and Schoenbach, K. (2000). Electroporation Dynamics in Biological Cells Subjected to Ultrafast Electrical Pulses : A Numerical Simulation Study. Phys. Rev. E 62 (1025).

Li, T., Joshi, R. and Fazi, C. (2000). Monte Carlo Evaluations of Degeneracy and Interface Roughness Effects on Electron Transport in AlGaN-GaN Hetero-Structures. J. Appl. Phys. 88 (829).

Islam, N., Schamiloglu, E., Schoenberg, J. and Joshi, R. (2000). Switching - Compensation Mechanisms and the Response of High Resistivity GaAs Photoconductive Switches During High-Power Applications. IEEE Trans. Plasma Science 28 (1512).

Islam, N., Schamiloglu, E., Fleddermann, C., Schoenberg, J. and Joshi, R. (1999). Analysis of High Voltage Operation of Gallium Arsenide Photoconductive Switches Used in High Power Applications. J. Appl. Phys. 86 (1754).

Zheng, L., Joshi, R. and Fazi, C. (1999). Dislocation Based Model Analysis for the Prebreakdown Reverse Characteristics of 4H-SiC p+ n Diodes. J. Appl. Phys. 85 (7935).

Zheng, L., Joshi, R. and Fazi, C. (1999). Effects of Barrier Height Fluctuations and Electron Tunneling on the Reverse Characteristics of 6H-SiC Schottky Contacts. J. Appl. Phys. 85 (3701).

Damayanthi, P., Joshi, R. and McAdoo, J. (1999). Electron Mobility and Drift Velocity Calculations for Bulk GaSb Material. J. Appl. Phys. 86 (5060).

Joshi, R., Kayasit, P., Islam, N., Schamiloglu, E., Fleddermann, C. and Schoenberg, J. (1999). Simulation Studies of Persistent Photoconductivity and Filamentary Conduction in Opposed Contact Semi-Insulating GaAs High Power Switches. J. Appl. Phys. 86 (3833).

Joshi, R., Jalali, H. and Gaudet, J. (1998). Effects of Transverse Doping Variations on the Transient Response of High Power Silicon Avalanche Shaper Devices. IEEE Trans. Elec. Dev. ED 45 (1761).

Joshi, R. and Wood, R. (1998). Molecular Dynamics-Monte Carlo Simulations of Grain Boundary Electron Transport in n-Silicon. J. Appl. Physics 84 (3197).

Joshi, R. and Wood, R. (1998). Simulations of Electron Transport Across a Charged Grain Boundary in n-Silicon Bicrystals. J. Appl. Phys. 83 (5543).

Joshi, R. (1998). Simulations of Quantized Inversion Layer Electron Transport In 6H-SiC MOS Structures. Appl. Phys. Lett. 72 (2153).

Tsen, K., Joshi, R., Salvador, A., Botchkarev, A. and Morkoc, H. (1997). Quantitative Assessment of the Effects of Carrier Screening on the Average Electric Field in a GaAs-Based p-i-n Nanostructure Under Subpicosecond Laser Excitation. J. Appl. Phys. 81 (406).

Joshi, R. and Fazi, C. (1997). Simulations of Deep Level Related Conductivity in SiC Diodes Subject to Ultrafast, High Voltage Reverse Biasing Pulses. Electronics Letters 33 (2162).

Tsen, K., Joshi, R. and Ferry, D. (1997). Subpicosecond Time Resolved Raman Studies of Non Equilibrium Excitations in Wide Bandgap GaN. Physica Status Solidi B 204 (106).

Joshi, R. and Srivastava, A. (1996). Effects of Grain Boundary Scattering on the Electron Drift Velocity Behavior in Diamond Films: A Monte Carlo Analysis. Appl. Phys. Lett. 69 (1786).

Tsen, K., Joshi, R., Ferry, D., Botchkarev, A., Sverdlov, B. and Morkoc, H. (1996). Non-Equilibrium Electron Distributions and Phonon Dynamics in Wurtzite GaN. Appl. Phys. Lett. 68 (2990).

Joshi, R. and Ferry, D. (1995). Calculations of the Temperature and Field Dependent Electronic Mobility in β-SiC. Solid State Electronics 38 (1911).

Joshi, R., Pathak, S. and Mcadoo, J. (1995). Evaluation of Hot Electron and Thermal Effects on the Dynamic Characteristics of Single-Transit SiC IMPATT Diodes. . Appl. Phys. 78 (3492).

Joshi, R. (1995). Monte Carlo Calculations of the Temperature and Field Dependent Electron Transport Parameters for 4H-SiC. J. Appl. Phys. 78 (5518).

Schoenbach, K., Joshi, R., Peterkin, F. and Druce, R. (1995). Supralinear Photoconductivity of Copper Doped Semi-Insulating Gallium Arsanide. J. Appl. Phys. 77 77 (5208).

Dharamsi, A. and Joshi, R. (1994). Characteristics of Photostrictively Produced Optoacoustic Pulses. J. Acoustic Soc. Am. 95 (234).

Joshi, R., Schoenbach, K. and Raha, P. (1994). Impact of Field-Dependent Electronic Trapping Across Coulomb Repulsive Potentials on Low Frequency Charge Oscillations. J. Appl. Phys. 75 (4016).

Joshi, R., Dharamsi, A. and Mcadoo, J. (1994). Simulations for the High-Speed Response of GaN Metal-Semiconductor-Metal Photodetectors. Appl. Phy. Lett. 64 (3611).

Joshi, R. (1994). Temperature Dependent Electron Mobility in GaN: Effects of Space Charge and Interface Roughness Scattering. Appl. Phys. Lett. 64 (223).

Joshi, R. (1994). Theoretical Analysis for the Transient Response of Graded AlxGa1-xN Sub-Micron Photodetectors. J. Appl. Phys. 74 (4434).

Tsen, K., Joshi, R. and Morkoc, H. (1993). Direct Measurements of Electron-Optical Phonon Scattering Rates in Ultrathin GaAs-AlGaAs Multiple Quantum Well Structures. Applied Physics Letters 62 (2075).

Joshi, R. (1993). Microscopic Calculations of Density and Field-Dependent Electronic Trapping via Attractive Coulomb Centers. J. Appl. Phys. 74 (1810).

Joshi, R. and Dharamsi, A. (1993). Simulation of Ultrafast Electromagnetic Radiation Transients from Laser Excited Semiconductors. J. Appl. Phys. 74 (3215).

Joshi, R., Schoenbach, K., Molina, C. and Hofer, W. (1993). Studies of Electron-Beam Penetration & Free Carrier Generation in Diamond Films. J. Appl. Phys. 74 (1568).

Connolly, K., El-Ghazaly, S., Grondin, R. and Joshi, R. (1992). Dynamic Simulation of a Photoconductive Switching Experiment. Semiconductor Science and Technology 7 , pp. B199-B201.

Joshi, R. and Ferry, D. (1992). Effects of Multi-Ion Scattering on Electron Velocities in Bulk GaAs. Semiconductor Science and Technology 7 , pp. B319-321.

Kriman, A., Joshi, R., Kann, M. and Ferry, D. (1992). Exchange Effects in Hot Plasmas in Quantum Wells and Bulk Semiconductors. Semiconductor Science and Technology 7 , pp. B243-B247.

Joshi, R. (1992). Intersubband Relaxation Dynamics in Ternary/Binary Quantum Wells: Role of the Electron-Phonon Interaction. J. Appl. Phys. 71 (3827).

Joshi, R. and McAdoo, J. (1992). Picosecond Dynamic Response of Nanoscale LT-GaAs Metal-Semiconductor-Metal (MSM) Photodetectors. Appl. Phys. Lett. 68 (1972).

Joshi, R., Kennedy, M., Schoenbach, K. and Hofer, W. (1992). Studies of High Field Conduction in Diamond for E-Beam Controlled Switching. J. Appl. Phys. 72 (4781).

Joshi, R., Grondin, R. and El-Ghazaly, S. (1992). Ultrafast Field-Dependent Response of Bandedge Photogenerated Electrons in Quantum Wells. IEEE J. Quantum Electronics 28 (2453).

Dharamsi, A. and Joshi, R. (1991). An Approximate Rate Equation Analysis for Bleaching and Excitation of Thermoluminescence. J. Phys. D 24 (982).

Joshi, R. and Ferry, D. (1991). Effect of Multi-Ion Screening on the Electronic Transport in Doped Semiconductors: A Molecular Dynamics Study. Phys. Rev. B 43 (9734).

Kriman, A., Ferry, D., Kann, M. and Joshi, R. (1991). Molecular Dynamics Extensions of Monte Carlo Simulation in Semiconductor Device Modeling. Computer Phys. Communications 67 (119).

Joshi, R. (1991). Quantum Corrections to Ultrafast Thermalization in Binary/Ternary Double Heterostructures. Appl. Phys. Lett. 59 (1572).

Joshi, R., Kriman, A., Kann, M. and Ferry, D. (1991). Quantum Molecular Dynamics Treatment of Electronic Relaxation of High Density Plasmas in Two-Dimensional Structures. Appl. Phys. Lett. 58 (2369).

Vaidyanathan, R. and Joshi, R. (1991). Simulations for an Improved Heterostructure Gunn Oscillator Based on Transit Region Doping Variations. IEE Electr. Lett. 27 (1555).

Joshi, R., El-Ghazaly, S. and Grondin, R. (1990). Anisotropy Effects on the Electronic Transport in Photoexcited Bulk GaAs. Journal of Applied Physics 67 (7388).

El-Ghazaly, S., Joshi, R. and Grondin, R. (1990). Electromagnetic and Transport Considerations in Subpicosecond Photoconductive Switch Modelling. IEEE Trans. Mic. Theory Tech. 38 (629).

Joshi, R., Grondin, R. and Ferry, D. (1990). Monte Carlo Simulation of Electron-Hole Thermalization in Photoexcited Bulk Semiconductors. Phys. Rev. B 42 (5685).

Joshi, R., Kriman, A. and Ferry, D. (1990). Monte Carlo Study of Minority Electronic Transport in InGaAs: Phonon Mode Splitting and Dynamically Screened Electron-Hole Interactions. J. Appl. Physics 68 (4322).

Joshi, R., Tsen, K. and Ferry, D. (1990). Monte Carlo Study of the Transient Expansion of Photo-Generated Plasma in Semiconductors - Nonequilibrium Phonon Effects. Phys. Rev. B 41 (9899).

Kriman, A., Kann, M., Ferry, D. and Joshi, R. (1990). The Role of Exchange Interaction in the Short-Time Relaxation of a High Density Electron Plasma. Phys. Rev. Lett. 65 (1619).

Joshi, R. and Grondin, R. (1989). A Self-Consistent Monte Carlo Method for the Transient Response of Laser Excited Photoconductive Circuits. Solid State Electr. 32 (1813).

Kriman, A., Joshi, R., Haukness, B. and Ferry, D. (1989). Geometric Effects of Scattering in Microstructures. Solid State Electronics 32 (1597).

Joshi, R. and Grondin, R. (1989). Hot Phonon and Electron-Hole Scattering Effects on the Transient Transport of Photogenerated Electrons in GaAs. J. Appl. Phys. 6 (4288).

Joshi, R. and Ferry, d. (1989). Hot Phonon Effects and Intersubband Relaxation Processes in Photoexcited GaAs Quantum Wells. Phys. Rev B 39 (1180).

Joshi, R. and Grondin, R. (1989). Monte Carlo Analysis of the High Field Hole Diffusion Coefficients in GaAs. Applied Physics Letters 54 (2438).

Chamoun, S., Joshi, R., Grondin, R., Meyer, K. and Mourou, G. (1989). Theoretical & Experimental Investigations of Subpicosecond Photoconductivity. Journal of Applied Physics 66 (236).

Lu, Y., Joshi, R., El-Ghazaly, S. and Grondin, R. (1989). Time Domain Finite Difference Study of Hot Carrier Transport in GaAs on a Subpicosecond Scale. Solid State Electronics 32 (1297).

Tsen, K., Joshi, R., Ferry, D. and Morkoc, H. (1989). Time Resolved Raman Scattering of Non Equilibrium LO Phonons in GaAs Quantum Wells. Phys. Rev. B 39 (1446).

Ferry, D., Osman, M. and Joshi, R. (1988). Ultrafast Relaxation of Hot Photoexcited Carriers in GaAs. Solid State Electronics 31 (401).

Book Chapters

Joshi, R. and Stoudt, D. Photoconductive Switches (pp. 239-257) NY: IEEE / Wiley Encyclopedia Of Electrical and Electronics Engineering .

Joshi, R. and Fazi, C. (1998). Computer Model Simulation of SiC Diode Reverse Bias Instabilities Due to Deep Energy Impurity Levels Materials Science Forum, Trans. Tech. Publishers.

Joshi, R. and Raha, p. (1994). Monte Carlo Simulations of Temperature Dependent Mobility in GaN Silicon Carbide and Related Materials IOP Publishers.

Schoenbach, K., Tessnow, T. and Joshi, R. (1994). Spatially Resolved E-Beam Induced Transient Spectroscopy for Deep Centers in Wide Band Semiconductors Silicon Carbide and Related Materials IOP Publishers.

Joshi, R., Connolly, K., El-Ghazaly, S. and Grondin, R. (1991). Photoconductive Switch Simulation with Absorbing Boundary Conditions Boston, MA: Computational Electronics: Semiconductor Transport and Device Simulation Kluwer Academic Pub.

Ferry, D., Kriman, A., Kann, M. and Joshi, R. (1991). Extensions of the Monte Carlo Simulation in Semiconductors to Fast Processes Boston, MA: Monte Carlo Simulations of Semiconductors and Semiconductor Devices Kluwer Academic Publishers.

Presentations

Pasappa, B., Joshi, R., Nel, M., Hall, J. and Mbaye, F. ( ). Electro-Thermal Simulation Studies for Pulsed Voltage Induced Energy Absorption and Potential Failure in Microstructured ZnO Varistors Int’l. Conf. On Dielectrics and Electrical Insulation Vancouver, Canada.

Schoenbach, K., Joshi, R., Kolb, J., Chen, N., Stacey, M., Blackmore, P., Buescher, E. and Beebe, S. ( ). Ultrashort Electrical Pulses Open A New Gateway Into Biological Cells Power Modulators Conf. San Francisco, CA.

Aly, R., Joshi, R., Stark, R. and Schoenbach, K. ( ). Repair Time of Bacteria After Pulsed Electric Field Application Proc. of Pulsed Power Meeting & Intl. Conf. On Plasma Science .

Mishra, A., Joshi, R. and Xiao, S. (May , 2009). Distributed neuro-muscular model for calculations of muscle force due to pulsed electrical stimulation 36th International Conference on Plasma Science San Diego, CA.

Kolb, J., Xiao, S., Scully, N., Joshi, R. and Schoenbach, K. (October , 2008). Streamer Discharges in Water and their Application 61st Gaseous Electronics Conference Dallas, TX.

Kolb, J., Blackmore, P., Hargrave, B., Nuccitelli, R., Beebe, S., Joshi, R., Chen, X., Scarlett, S., White, J., Zhang, J., Pakhomov, A., Buescher, S., Baldwin, W., Gregory, B. and Schoenbach, K. (September , 2008). Nanosecond Pulsed Electric Field Induced Response in Mammalian Cells Int’l. Congress on Plasma Physics (ICCP) Meeting on Plasma Physics and Advanced Applications Japan.

Joshi, R., Song, J., Mishra, A., Pakhomov, A. and Schoenbach, K. (June , 2008). Simulation studies of high intensity, ultrashort electrical pulse effects on excitable cells 30th International Meeting of the Bioelectromagnetics Society .

Joshi, R., Zhao, G., Song, J. and Lakdawala, V. (October , 2007). Electro-Thermal Simulation Studies for Pulsed Voltage Induced Energy Absorption and Potential Failure in Microstructured ZnO Varistors Int’l. Conf. On Dielectrics and Electrical Insulation Vancouver, Canada.

Schoenbach, K., Xiao, S., Kolb, J. and Joshi, R. (July , 2007). Physics and Applications of High Power Water Switches Int’l. Conf. On Phenomena in Ionized Gases Prague, Czech Republic.

Schoenbach, K. H., Xiao, S., Camp, T., Kolb, J. F., Joshi, R. and Beebe, S. J. (July , 2007). From Submicrosecond to Subnanosecond Pulses-Entering a New Domain of Electric Field-Cell Interactions URSI 2007, North America Radio Science Meeting Ottawa, Canada.

Schoenbach, K., Xiao, S., Camp, T., Heeren, T., Kolb, J., White, J., Migliaccio, M., Joshi, R., Nuccitelli, R., Beebe, S., Baum, C. and Altunc, S. (June , 2007). From Submicrosecond to Subnanosecond Pulses - Entering a New Domain of Electric Field-Cell Interactions IEEE Int’l. Pulsed Power and Plasma Science Conf. Albuquerque, NM.

Jackson, R., McLay, M., Joshi, R. and Mishra, A. (June , 2007). Status of the Field Marshal Environment and Toolset Int’l Conf. On Plasma Science Albuquerque, NM.

Kolb, J., White, J., Frey, W., Pliquett, U., Beebe, S., Joshi, R., Nuccitelli, R. and Schoenbach, K. (June , 2007). Plasma Membrane Charging of Jurkat Cells by Nanosecond Pulsed Electric Fields Int’l. Pulsed Power and Plasma Science Conf Albuquerque, NM.

Hjalmarson, H., Kambour, K., Myles, C. and Joshi, R. (June , 2007). Avalanche Injection and Lock-on in Photoconductive Semiconductor Switches Int’l. Pulsed Power and Plasma Science Conf. Albuquerque, NM.

Joshi, R., Zhao, G. and Pjalmarson, H. (June , 2007). Electro-Thermal Simulation Studies for Pulsed Voltage Induced Energy Absorption and Potential Failure in Microstructured ZnO Varistors Int’l. Pulsed Power and Plasma Science Conf. Albuquerque, NM.

Joshi, R., Song, J., Schoenbach, K., Gaudet, J. and Baum, C. (June , 2007). Evaluation of Optimal Sub-Nanosecond Excitation Waveforms in Generating Transmembrane Voltages in Cells for Bio-Effects Int’l. Pulsed Power and Plasma Science Conf. Albuquerque, NM.

Joshi, R., Mishra, A., Song, J. and Schoenbach, K. (June , 2007). Self-Consistent Analyses For Potential Conduction Block in Nerves by an Ultra-Short, High-Intensity Electric Pulse Int’l. Pulsed Power and Plasma Science Conf. Albuquerque, NM.

Jackson, R., Mclay, M., Joshi, R. and Mishram, A. (May , 2007). Status of the Field Marshal Environment and Toolset Int’l Conf. On Vacuum Electronics Kitakytushu, Japan.

Kolb, J., White, J., Frey, W., Scarlett, S., Shevin, R., Pakhomov, A., Beebe, S., Buescher, E., Blackmore, P., Joshi, R., Nuccitelli, R. and Schoenbach, K. (March , 2007). Immediate, Non-Physiological Responses of Mammalian Cells to Nanosecond Pulsed Electric Fields German Physical Society meeting Duesseldorf.

Zhao, G., Joshi, R., Lakdawala, V., Schamiglolu, E. and Hjalmarson, H. (October , 2006). Studies of TiO2 Breakdown Under Pulsed Conditions Conference on Electrical Insulation and Dielectrics Kansas City.

Kolb, J., Frey, W., White, J., Joshi, R., Beebe, S., Nuccitelli, R. and Schoenbach, K. (June , 2006). Plasma Membrane Voltage Changes During Nano-Second Pulsed Electric Field Exposure Bio-Electromagnetic Society Conference Cancun, Mexico.

Joshi, R., Sridhara, V., Hu, Q., Nguyen, A. and Schoenbach, K. (June , 2006). Simulations of cell response to high intensity, ultrashort electrical pulses Bio-Electromagnetic Society Conference Cancun, Mexico.

Jackson, R., Mclay, M., Joshi, R. and Mishra, A. (June , 2006). The Field Marshal Electromagnetic Simulation Environment Int’l Conf. On Plasma Science Traverse City, MI.

Schoenbach, K. H., Katsuki, S., Akiyama, H., Heeren, T., Kolb, J. F., Xiao, S., Camp, T., Joshi, R., Osgood, C. J., Nuccitelli, R. and Beebe, S. J. (May , 2006). Biological Effects of Intense Subnanosecond Electrical Pulses Conf. Record of the 2006 IEEE Power Modulator Conference Washington DC.

Schamiloglu, E., Schoenbach, K., Vidmar, R., Joshi, R., Laroussi, M., Kolb, J. and Tyo, S. (May , 2006). Compact, Portable Pulsed Power – Lessons Learned and Quo Vadis Int’l. Pow er Modulators Conf. Washington DC.

Katsuki, S., Osgood, C., Heeren, T., Pliquett, U., Kolb, J., Joshi, R., Beebe, S. and Schoenbach, K. (May , 2006). Biological Effects of Intense Subnanosecond Pulses Int’l. Power Modulators Conf. Washington DC.

Kolb, J., Frey, W., White, J., Beebe, S., Joshi, R. and Schoenbach, K. (May , 2006). Real-Time Measurements of Mammalian Cells Exposed to Pulsed Electric Fields Int’l. Power Modulators Conf. Washington D.C..

Jackson, R., Mclay, M. and Joshi, R. (April , 2006). The Field Marshal Electromagnetic Simulation Environment Int’l Conf. On Vacuum Electronics Monterey, CA.

Schoenbach, K., Joshi, R., Kolb, J., Dayton, T., Comeaux, J. and Beason, C. (April , 2006). Neuromuscular Disruption with Ultrashort Electrical Pulses SPIE Conf. International Defense and Security .

Zhao, G., Joshi, R. and Lakdawala, V. (October , 2005). Percolative Breakdown Model for Ceramics Based on a Random Grain-Boundary Network, Int’l Conf. On Dielectrics and Electrical Insulation Nashville, TN.

Jackson, R., McLay, M. and Joshi, R. (September , 2005). The Field Marshal Electromagnetic Simulation Environment Joint 30th Int’l Conf. On Infrared and Millimeter Waves and 13th Int’l Conf. On Terahertz Electronics Williamsburg, VA.

Kolb, J., Frey, W., White, J., Price, R., Blackmore, P., Beebe, S., Joshi, R. and Schoenbach, K. (June , 2005). Measurements Of The Transmembrane Voltage in Biological Cells For Nanosecond Pulsed Electric Field Exposures Pulsed Power Conference Monterey, CA.

Kambour, K., Hjalmarson, H., Myles, C. and Joshi, R. (June , 2005). Simulation of Electric Current in Photoconductive Switches Pulsed Power Conference Monterey, CA.

Qian, J., Joshi, R., Kolb, J., Schoenbach, K., Dickens, J., Neuber, A., Butcher, M., Cevallos, M., Krompholz, H., Schamiloglu, E. and Gaudet, j. (June , 2005). Simulation Studies of Liquid Water Breakdown By a Sub-Microsecond Pulse Pulsed Power Conference Monterey, CA.

Kolb, J., Minamitani, Y., Xiao, S., Lu, X., Laroussi, M., Joshi, R., Schoenbach, K., Gaudet, J. and Schamiloglu, E. (June , 2005). The Permittivity Of Water Under High Dielectric Stress Pulsed Power Conference Monterey, CA.

Garner, A., Chen, G., Chen, N., Sridhara, V., Kolb, J., Swanson, R., Beebe, S., Joshi, R. and Schoenbach, K. (May , 2005). Changes in the Dielectric Properties of Jurkat and HL-60 Cells after Electrical Pulses ElectroMed Conference Portland, OR.

Garner, A., Chen, G., Chen, N., Sridhara, V., Kolb, J., Swanson, R., Beebe, S., Joshi, R. and Schoenbach, K. (May , 2005). Changes in the Dielectric Properties of Jurkat and HL-60 Cells after Electrical Pulses ElectroMed Conference Portland, OR.

Pliquett, U., Sridhara, V., Joshi, R., Swanson, J. and Schoenbach, K. (May , 2005). Monitoring Intrastructural Changes in Jurkat Cells After Nanosecond Pulsed Electric Field Application ElectroMed Conference Portland, OR.

Pliquett, U., Sridhara, V., Joshi, R., Swanson, J. and Schoenbach, K. (May , 2005). Monitoring Intrastructural Changes in Jurkat Cells After Nanosecond Pulsed Electric Field Application ElectroMed Conference .

Hu, Q., Joshi, R. and Schoenbach, K. (May , 2005). Simulation of Dynamical Responses of Lipid Membranes Subjected to High-intensity Nanosecond Pulsed Electric Fields (nsPEF) ElectroMed Conference Portland, OR.

Hu, Q., Joshi, R. and Schoenbach, K. (May , 2005). Simulation of Dynamical Responses of Lipid Membranes Subjected to High-intensity Nanosecond Pulsed Electric Fields (nsPEF) ElectroMed Conference Portland, OR.

Schoenbach, K., Joshi, R., Kolb, J. and Ross, J. (November , 2004). Neuromuscular Disruption with Ultrashort Pulses 4th Non-Lethal Technology Research Symposium Winston Salem.

Chen, G., Chen, N., Garner, A., Kolb, J., Swanson, R., Beebe, S., Joshi, R. and Schoenbach, K. (October , 2004). Conductivity Changes in Jurkat Cell Suspensions Subjected to Ultrashort Electric Pulses Conductivity Changes in Jurkat Cell Suspensions Subjected to Ultrashort Electric Pulses Kos, Greece.

Joshi, R., Hu, Q., Lakdawala, V. and Schoenbach, K. (October , 2004). Modeling the Dynamical Response of Biological Cells Int’l Conf. On Dielectrics and Electrical Insulation Denver, CO.

Joshi, R., Hu, Q., Schoenbach, K. and Lakdawala, V. (October , 2004). Modeling the Dynamical Response Of Biological Cells Stressed by Nanosecond, High-Intensity Electric Fields Int’l Conf. On Dielectrics and Electrical Insulation Boulder, CO.

Schoenbach, K., Joshi, R., Kolb, J., Buescher, S. and Beebe, S. (September , 2004). Subcellular Effects of Nanosecond Electrical Pulses 26th IEEE Int’l. Conf. On Engineering in Medicine and Biology San Francisco, CA.

Garner, A., Yang, J., Chen, N., Kolb, J., Loftin, K., Swanson, R., Beebe, S., Joshi, R. and Schoenbach, K. (June , 2004). Altering Dielectric Properties of Human Cancer Cells by Varying Electrical Pulse Durations Altering Dielectric Properties of Human Cancer Cells by Varying Electrical Pulse Durations Baltimore, MD.

Garner, A., Yang, J., Chen, N., Kolb, J., Loftin, K., Swanson, R., Beebe, S., Joshi, R. and Schoenbach, K. (June , 2004). Electrical Pulse-Induced Changes In Hl-60 Dielectric Properties Bio-Electromagnetic Society Conference Washington DC.

Kolb, J., Xiao, S., Goan, B., Lu, X., Schoenbach, K., Laroussi, M., Joshi, R., Dickens, J., Neuber, A., Krompholz, H., Cevallos, M. and Butcher, M. (June , 2004). anosecond, Optical Diagnostics for Liquid Dielectric Switches Int’l Conf. On Plasma Science (ICOPS) Baltimore, MD.

Butcher, M., Neuber, A., Krompholz, H., Dickens, J., Qian, J., Joshi, R. and Schoenbach, K. (June , 2004). Voltage-Current Charactersitic of Transformer Oil Under High Electrical Stress Int’l Conf. On Plasma Science (ICOPS) Baltimore, MD.

Kolb, J., Minamitani, Y., Xiao, S., Kono, S., Goan, B., Lu, X., Qian, J., Laroussi, M., Joshi, R., Schoenbach, K. and Schamiloglu, E. (June , 2004). Electrical Breakdown in Polar Liquids nt’l Conf. On Plasma Science Baltimore, MD.

Kolb, J., Lu, X., Xiao, S., Bickes, C., Minimitani, Y., Laroussi, M., Joshi, R., Schoenbach, K. and Schamiloglu, E. (May , 2004). Electrical Breakdown In Polar Liquids Power Modulators Conf. San Francisco, CA.

Xiao, S., Kolb, J., Bickes, C., Minamitani, Y., Laroussi, M., Joshi, R. and Schoenbach, K. (May , 2004). Recovery Of High Power Water Switches Power Modulators Conf. San Francisco, CA.

Minamitani, Y., Kono, S., Goan, B., Kolb, J., Xiao, S., Bickes, C., Lu, X., Laroussi, M., Joshi, R. and Schoenbach, K. (May , 2004). Transient Interferometric Measurements Of Electric Field And Temperature Distributions In Pulse Charged Water Gaps Power Modulators Conf. San Francisco, CA.

Hussein, R., McKenzie, F. and Joshi, R. (February , 2004). Automating Prostate Capsule Contour Estimation for 3D Model Reconstruction Using Shape and Histological Features SPIE Conf. On Medical Imaging San Diego, CA.

Garner, A., Yang, J., Chen, N., Kolb, J., Loftin, K., Swanson, R., Beebe, S., Joshi, R. and Schoenbach, K. (October , 2003). Effects of Electrical Pulses on the Dielectric Properties of Biological Cells Int’l Conf. On Dielectrics and Electrical Insulation Albuquerque, NM.

Joshi, R., Hu, Q., Lakdawala, V. and Schoenbach, K. (October , 2003). Modeling Cellular Response To Ultrashort, High-Intensity Electric Field Int’l Conf. On Dielectrics and Electrical Insulation Albuquerque, NM.

Joshi, R., Hu, Q. and Schoenbach, K. (October , 2003). Modeling Studies Of Cell Response To Ultrashort, High-Intensity Electric Fields For Intracellular Manipulation Workshop on Bio-Dielectrics at the IEEE Int’l Conf. On Dielectrics and Electrical Insulation Albuquerque, NM.

Garner, A., Chen, N., Kolb, J., Loftin, K., Swanson, R., Beebe, S., Joshi, R. and Schoenbach, K. (June , 2003). Effects of Electrical Pulses on the Dielectric Properties of Biological Cells ElectroMed Conference San Anotnio, TX.

Joshi, R., Hi, Q. and Schoenbach, K. (June , 2003). Modeling Studies Of Cell Response To Ultrashort, High-Intensity Electric Fields–Implications For Intracellular Manipulation And Ion Transport ElectroMed Conference San Antonio, TX.

Joshi, R. and Rogers, W. (June , 2003). Simulation Analysis Of Nanosecond Electrical Stimulation ElectroMed Conference San Antonio, TX.

Xiao, S., Kolb, J., Kono, S., Katsuki, S., Joshi, R., Laroussi, M. and Schoenbach, K. (June , 2003). High Power, High Recovery Rate Water Switch Int’l Conf. On Pulsed Power Dallas, TX.

Kono, S., Goan, B., Kolb, J., Xiao, S., Lu, X., Laroussi, M., Joshi, R. and Schoenbach, K. (June , 2003). Transient Optical Measurements of Electric Field and Temperature Distributions in Pulse Charged Water Gaps Int’l Conf. On Pulsed Power Dallas, TX.

Kolb, J., Kono, S., Xiao, S., Goan, B., Lu, X., Bikes, C., Laroussi, M., Joshi, R., Schoenbach, K. and Schamiloglu, E. (June , 2003). Water and Propylene Carbonate as Storage and Switching Media in Pulsed Power Systems Int’l Conf. On Pulsed Power Dallas, TX.

Qian, J., Joshi, R., Kolb, J. and Schoenbach, K. (June , 2003). Model Analyses Of Breakdown In High-Voltage, Water-Based Switches Int’l. Conf. On Pulsed Power Dallas, TX.

Abedin, M. Nurul., Refaat, T., Joshi, R., Sulima, O., mauk, M. and Singh, U. (April , 2003). Characterization and Analysis of InGaAsSb Photo-Detectors SPIE Int’l. Conf. On Infra-Red Technology and Applications Orlando, FL.

Schoenbach, K., Joshi, R., Beebe, S. and Buescher, E. (March , 2003). Nanosecond Electrical Pulses Open a Gateway into Biological Cells Int’l. Meeting of the German Physical Society Aachen, Germany.

Joshi, R. (October , 2002). Dynamical Modeling of Cellular Response to Short High-Intensity Electric Fields Conf. On Dielectrics and Electrical Insulation (Bio-Electrics Workshop) Cancun, Mexico.

Joler, M., Christodoulou, C., Gaudet, J., Schamiloglu, E., Schoenbach, K., Joshi, R. and Laroussi, M. (October , 2002). Study of High Energy Storage Blumlein Transmission Lines as High Power Microwave Drivers SAE Power Systems Conference Coral Springs, FL.

Schoenbach, K., Katsuki, S., Xiao, S., Leipold, F., Laroussi, M., Joshi, R. and Cooper, J. (June , 2002). Electrical Breakdown of Submillimeter Water Gaps International Conference on High Power Particle Beams Albuquerque, NM.

Katsuki, S., Joshi, R., Laroussi, M. and Schoenbach, K. (June , 2002). Electrical and Optical Characteristics of Water under High Electric Stress Power Modulators Conf Hollywood, CA.

Katsuki, S., Xiao, S., Joshi, R., Laroussi, M. and Schoenbach, K. (June , 2002). Electrical Breakdown of Sub-Millimeter Water Gaps Power Modulators Conf. Hollywood, CA.

Joshi, R. (May , 2001). Modeling of Biological Cells Subjected to High Intensity Electrical Pulses Intl. ElectroMed 2001 Conf. Portsmouth, VA.

Aly, R., Joshi, R., Stark, R. and Schoenbach, K. (May , 2001). Repair Time of Bacteria After Pulsed Electric Field Application Intl. ElectroMed 2001 Conf. Portsmouth, VA.

Islam, N., Schamiloglu, E., Loubriel, G., Zutavern, F., Mar, A. and Joshi, R. (May , 2000). Characteristics of Trap-Filled GaAs Photoconductive Switches Used in High Gain Pulsed Power Applications Proc. EuroEM00 Conference Edinburgh, Scotland.

Li, T., Joshi, R. and Fazi, C. (January , 2000). Monte Carlo Simulations of Electron Transport in Bulk GaN and AlGaN-GaN Heterostructures Proc. SPIE Conf. On Ultrafast Electronics .

Richardson, M., Stoudt, D., Abdalla, M., Skipper, M., Joshi, R. and Schoenberg, J. (June , 1999). Development of a Lateral, Opposed-Contact Photoconductive Semiconductor Switch Proc. Pulsed Power Conference .

Islam, N., Schamiloglu, E., Fleddermann, C., Schoenberg, J. and Joshi, R. (June , 1999). Improved Hold-off Characteristics of Gallium Arsenide Photoconductive Switches Used in High Power Applications Proc. Pulsed Power Conference .

Joshi, R., Kayasit, P., Schamiloglu, E., Islam, N., Fleddermann, C., Schoenberg, J., Richardson, M. and Stoudt, D. (June , 1999). Numerical Study of Optical Pulse Positioning on the High Voltage Response of SI GaAs Photoconductive Switches for High Power Applications Proc. Pulsed Power Conference .

Schamiloglu, E., Islam, N., Fleddermann, C., Shipley, B., Joshi, R. and Zheng, L. (June , 1998). Simulation, Modeling, and Experimental Studies of High-Gain GaAs Photoconductive Switches for Ultra Wide Band Applications Proc. of the 11th European Conference on Electromagnetics .

Islam, N., Schamiloglu, E., Fleddermann, C., Joshi, R. and Zheng, L. (June , 1998). Simulation Studies of Lateral and Opposed Contact GaAs Photoconductive Switch Geometry for High Power, Ultra-Wide-Band Microwave Applications Proc. of the International Conference on Plasma Science .

Joshi, R., Tsen, K. and Ferry, D. (January , 1998). Effects of Carrier Screening on the Average Electric Field in a GaAs p-i-n Nanostructure Under Subpicosecond Laser Excitation Proc. of the SPIE Conference on Ultrafast Phenomena in Semiconductors .

Joshi, R., Li, J. and Mcadoo, J. (January , 1998). Monte Carlo Simulations of GaAs Based Ultrafast Optical Mixers Proc. of the SPIE Conference on Ultrafast Phenomena in Semiconductors .

Tsen, K., Joshi, R. and Ferry, D. (March , 1997). Effects of Carrier Screening on the Average Electric Field in a GaAs p-i-n Nanostructure Under Subpicosecond Laser Excitation Proc. of the APS March Meeting .

Tsen, K., Joshi, R., Ferry, D., Botchkarev, A., Sverdlov, B., Salvador, A. and Morkoc, H. (November , 1996). Subpicosecond Time-Resolved Raman Studies of Nonequilibrium Excitations in Wurtzite GaN Proc. of the MRS Fall Meeting .

Joshi, R. and Mcadoo, J. (July , 1996). Response of High-Speed Nanoscale LT-GaAs Metal-Semiconductor-Metal (MSM) Photodetectors APS Intl. Symp. & URSI Radio Science Meeting Baltimore, MD.

Joshi, R. (May , 1995). Field and Temperature Dependent Monte Carlo Simulations for the Electronic Response of SiC Photodetectors Workshop on High Temperature, High Power Materials Ft. Monmouth, NJ.

Joshi, R. and Pathak, S. (March , 1995). Simulations for the Dynamic Response of Single-Transit SiC IMPATTs SEConn. Meeting Raleigh, NC.

Schoenbach, K., Joshi, R. and Peterkin, F. (October , 1994). Supralinear Photoconductivity of Cu-Doped Semi-Insulating GaAs Intl. SPIE Symp. on Optically Activated Switching Boston, MA.

Joshi, R. and Kriman, A. (May , 1994). Scaled Ensemble Monte Carlo Studies of Impact Ionization Internatl. Workshop on Computational Electronics Portland, OR.

Kriman, A. and Joshi, R. (May , 1994). Scaled Ensemble Monte Carlo for Quantum Wells Quantum Confinement, Physics & Applications Symp. of the 185th Meeting of the Electrochem. Soc. San Francisco, CA.

Schoenbach, K., Tessnow, T., Joshi, R., Roush, R. and Brinkmann, R. (January , 1994). Spatially Resolved Electron-Beam Induced Transient Spectroscopy for Deep Centers in Diamond SPIE Conf. on Diamond Film Semiconductors Los Angeles, CA.

Kriman, A. and Joshi, R. (January , 1994). Scaled Ensemble Monte Carlo SPIE Conf. on Ultrafast Phenomena Los Angeles, CA.

Albin, S., Bulusu, B., Kruegel, S. and Joshi, R. (January , 1994). Supersonic Flow Sensor Using Semiconductor Diamond Films SPIE Conf. on Ultrafast Phenomena Los Angeles, CA.

Joshi, R. and Raha, P. (December , 1993). Monte Carlo Simulations of Density and Field-Dependent Electronic Trapping at Charged Impurity Centers International Device Research Symposium Charlottesville, VA.

Joshi, R. and Raha, P. (November , 1993). Monte Carlo Simulations of Temperature Dependent Electron Mobility in GaN International Conference on SiC and Related Materials Washington D.C..

Schoenbach, K., Tessnow, T., Joshi, R. and Brinkmann, R. (November , 1993). Spatially Resolved Electron Beam Induced Transient Spectroscopy for Deep Centers in Wide Bandgap Semiconductors International Conference on SiC and Related Materials Washington D.C..

Kriman, A. and Joshi, R. (August , 1993). Scaled Ensemble Monte Carlo International Conf. on Computational Electronics Leeds, UK.

Schoenbach, K. and Joshi, R. (June , 1993). Miniature Hollow Cathode Discharges Intl. Conf. on Plasma Science Vancouver, Canada.

Grondin, R., El-Ghazaly, S., Wang, C. and Joshi, R. (June , 1993). Electrodynamic Self-Consistency in the Modeling of Biased Semiconductor Systems Microwave Theory & Techniques Workshop Atlanta, GA.

Scarpetti, R., Hofer, W., Kania, D., Schoenbach, K., Joshi, R., Molina, C. and Brinkmann, R. (June , 1993). High Power, Electron-Beam Induced Switching in Diamond Proc. 9th IEEE Intl. Pulsed Power Conf. Albuquerque, NM.

Kriman, A., Kim, N., Joshi, R., Feng, C., Devane, G. and Stair, K. (January , 1993). Quantum Dots in Quantum-Well Island Structures 20th Conf. on Physics & Chem. of Semiconductor Interfaces (PCSI) Williamsburg, VA.

Hofer, W., Kania, D., Schoenbach, K., Joshi, R., Molina, C. and Brinkmann, R. (January , 1993). Electron-Beam Controlled High-Power Diamond Switches Conf. on Optically Activated Switching III, SPIE #1873 Los Angeles, CA.

Eichhorn, H., Schoenbach, K., Joshi, R. and Tessnow, T. (October , 1992). On the Physics of the Pendulum Effect in a Hollow Cathode 45th Annual Gaseous Electronics, Abstract AA-4 Boston, MA.

Grondin, R., El-Ghazaly, S. and Joshi, R. (September , 1992). Modeling Ultrafast Optical Probes of Ballistic Transport OSA/ILS Conf. Albuquerque, NM.

Hofer, W., Schoenbach, K. H. and Joshi, R. (June , 1992). High Average Power Switching in Diamond Power Modulators Conference Myrtle Beach, SC.

Grondin, R., El-Ghazaly, S. and Joshi, R. (May , 1992). Electromagnetic Issues in the Modeling of Ultrafast Experiments on Biased Semiconductor Systems International Workshop on Computational ELectronics Urbana, IL.

Joshi, R., Grondin, R. and El-Ghazaly, S. (May , 1992). Ultrafast Quasi-Ballistic Dynamics of Low Energy Photogenerated Electrons in Double Heterostructures International Workshop on Computational Electronics Urbana, IL.

Kriman, A., Joshi, R. and Ferry, D. (March , 1992). A Many-Body Semiclassical Approximation for Semiconductor Plasmas SPIE Conf. on Compound Semiconductor Physics and Devices, Conf. # 1677-01 Somerset, NJ.

Schoenbach, K., Kennedy, M., Joshi, R., Brinkmann, R. and Ho, P. (January , 1992). Electron-Beam Activated Zinc Selenide and Diamond Switches OE-LASE 92: Optically Activated Switching CA.

Dharamsi, A. and Joshi, R. ( 1991). Bleaching and Saturation of Thermoluminescence Bull. Am. Phys. Soc. 36 .

Schoenbach, K., Gerdin, G., Tessnow, T., Piekarek, J. and Joshi, R. (October , 1991). Magnetic Control of Hollow Cathode Discharges Proc. of the 4th Annual Gaseous Electronics Conference Albuquerque, NM.

Connolly, K., El-Ghazaly, S., Grondin, R. and Joshi, R. (July , 1991). Dynamic Simulation of a Photoconductive Switching Experiment HCIS Conference Nara, Japan.

Kriman, A., Joshi, R., Kann, M. and Ferry, D. (July , 1991). Exchange Effects in Hot Plasmas in Quantum Wells and Bulk Semiconductors HCIS Conference Nara, Japan.

Joshi, R. and Ferry, D. (July , 1991). Effects of Multi-Ion Scattering on Electron Velocities in Bulk GaAs Hot Carriers Conference Nara, Japan.

Connolly, K., El-Ghazaly, S., Grondin, R. and Joshi, R. (June , 1991). Modeling of Ultrafast Time-Domain Experiments Internat. IEEE/AP-S Symp. London, Ontario.

Joshi, R., Kriman, A. and Ferry, D. (June , 1991). Relaxation of Photoexcited Electrons in High Density Plasmas Intl. Plasma Science Conf Williamsburg, VA.

Ferry, D., Kriman, A., Kann, M., Hida, H., Yamaguchi, S. and Joshi, R. (June , 1991). Modeling Fast Processes in Semiconductors by Monte Carlo Techniques SPIE 1599 Symp. on Recent Advances in the Uses of Light in Physics, Chemistry, and Medicine NY.

Joshi, R. (April , 1991). A Novel Monte Carlo-Molecular Dynamics Scheme for Simulation of Electronic Mobilities in Compensated and Uncompensated Semiconductors SouthEast Conf Williamsburg, VA.

Vaidyanathan, R. and Joshi, R. (April , 1991). Monte Carlo Simulation of Heterojunction Millimeter Wave Gunn Effect Oscillators SouthEast Conference Williamsburg, VA.

Chia, C., Sankey, F., Tsen, K. and Joshi, R. (March , 1991). Theory of Time Resolved Raman Scattering of Non-Equilibrium Electrons in Semiconductors Amer. Phys. Soc. Meeting Cincinnai, OH.

Connolly, K., Grondin, R., El-Ghazaly, S. and Joshi, R. (March , 1991). Modeling of an Electro-Optically Probed Photoconductive Switching Experiment Optical Society America Meeting Salt Lake City, UT.

Joshi, R., Tsen, K. and Ferry, D. ( 1990). Nonequilibrium Phonon Effects on the Transient Expansion of Photogenerated Electron-Hole Plasmas Proc. SPIE 1282 .

Grondin, R., Joshi, R. and El-Ghazaly, S. ( 1990). Physical Modelling of Ultrafast Electrical Waveform Generation and Characterization Proc. SPIE 1282 .

Ferry, D., Kriman, A., Kann, M. and Joshi, R. (November , 1990). Molecular Dynamics Extensions of Monte Carlo Simulation in Semiconductor Device Modeling Sympo. Supercomputer Simulation of Semiconductor Devices .

Connolly, K., El-Ghazaly, S., Grondin, R. and Joshi, R. (September , 1990). New Modeling Approach for High Frequency Devices: Application to Ultrafast Optically Controlled Switches 20th European Microwaves Conference Budapest, Hungary.

Connolly, K., El-Ghazaly, S., Grondin, R. and Joshi, R. (September , 1990). New Modeling Approach for High Frequency Devices: Application to Ultrafast Optically Controlled Switches 20th European Microwaves Conference Budapest, Hungary.

Connolly, K., Ghazaly, S., Grondin, R. and Joshi, R. (September , 1990). Study of Ultrafast Pulse Generation and Characterization XXIII General Assembly of the URSI Prague, Czechoslovakia.

Connolly, K., El-Ghazaly, S., Grondin, R. and Joshi, R. (May , 1990). Coupling Maxwell's Equation Time-Domain Solution with Monte-Carlo Technique to Simulate Ultrafast Optically Controlled Switches MTT Symposium Dallas, TX.

Joshi, R. (May , 1990). Photoconductive Switch Modelling with Absorbing Boundary Conditions NCCE Workshop on Computational Electronics Urbana Champaign, IL.

Connl=olly, K., Joshi, R., El-Ghazaly, S. and Grondin, R. (January , 1990). Modeling of Photo-Conductive Switches National Radio Science Meeting Boulder, CO.

Joshi, R. and Grondin, R. (July , 1989). A Self Consistent Monte Carlo Method for the Transient Response of Laser Excited Photo-Conductive Circuits HCIS Meeting AZ.

Haukness, B., Kriman, A., Joshi, R. and Ferry, D. (March , 1989). Electronic Transport in Microstructures with Defects American Physical Society New Orleans, LA.

Joshi, R., Chamoun, S. and Grondin, R. (March , 1989). Electron-Hole Effects on the Velocity Overshoot in Photoconductive Switches OSA Proc. Picosecond Electr. & Opto-electronics Salt Lake City, UT.

Ferry, D., Joshi, R. and Kann, M. (March , 1988). Ultrafast Relaxation of Laser Generated Plasmas in Semiconductors Proc. SPIE 942 Newport Beach.

Osman, M., Ravaioli, U., Joshi, R., Potz, W. and Ferry, D. (November , 1986). Hot Phonon Effects in GaAs Proc. of 18th Intl. Conf. on Semiconductors Singapore.

• 18th Annual Research Award, ODU
• Certificate of Appreciation, Air Force Research Laboratory, San Antonio, TX
• Doctoral Mentor Award , ODU
• Elected Fellow , Institute of Electrical and Electronics Engineers (IEEE)
• Martin Black Prize , Institute of Physics & Engineering in Medicine
• Most Inspiring Faculty Award, (College of Engineering), ODU
• National Merit Award, India
• National Talent Scholarship, India
• Nominee for Virginia SCHEV Outstanding Faculty Award , ODU
• Outstanding Teaching Award, Batten College of Engr. & Tech., ODU
• Outstanding Teaching Award, Dept. of Electrical & Computer Engr., ODU
• Research Excellence Award, College of Engineering, ODU
• Research Excellence Award, Dept. of Electrical & Computer Engr., ODU
• Rufus Tonelson Award for Research, Teaching & Service, ODU
• United Who's Who Among Professionals , United Who's Who Among Professionals
• University Professor , ODU
• Who's Who in Engineering Education , Who's Who in Engineering Education
• 2010: Shining Star Award, Student Affairs, Old Dominion University
• 2010: Eminent Scholar,
• 2009: Nominee for Virginia SCHEV Outstanding Faculty Award,
• 2007: Who's Who in American Education , Who's Who in American Education
• 1996: Listed in Marquis Who's Who in America (Science & Engineering), Marquis Who's Who in America (Science & Engineering)
• 1996: Listed in Who's Who Among America's Teachers , Who's Who Among America's Teachers
• 1995: Listed in American Men and Women of Science , American Men and Women of Science