Generalization of the Child–Langmuir law for nonzero injection velocities in a planar diode RR Puri, D Biswas, R Kumar Physics of Plasmas 11 (3), 1178-1186, 2004 | 53 | 2004 |
Modeling field emitter arrays using nonlinear line charge distribution D Biswas, G Singh, R Kumar Journal of Applied Physics 120 (12), 124307, 2016 | 34 | 2016 |
Variation of field enhancement factor near the emitter tip D Biswas, G Singh, SG Sarkar, R Kumar Ultramicroscopy 185, 1-4, 2018 | 31 | 2018 |
Efficiency enhancement of the axial VIRCATOR D Biswas, R Kumar IEEE transactions on plasma science 35 (2), 369-378, 2007 | 24 | 2007 |
Relation between space charge limited current and power loss in open drift tubes D Biswas, R Kumar Physics of plasmas 13 (7), 073101, 2006 | 19 | 2006 |
Anisotropic energy transfers in quasi-static magnetohydrodynamic turbulence KS Reddy, R Kumar, MK Verma Physics of Plasmas 21 (10), 102310, 2014 | 18 | 2014 |
Validation of current formula for a metallic nanotipped field emitter D Biswas, R Kumar Journal of Vacuum Science & Technology B, Nanotechnology and …, 2019 | 17 | 2019 |
Power loss in open cavity diodes and a modified Child-Langmuir law D Biswas, R Kumar, RR Puri Physics of plasmas 12 (9), 093102, 2005 | 17 | 2005 |
Microwave power enhancement in the simulation of a resonant coaxial vircator D Biswas, R Kumar IEEE transactions on plasma science 38 (6), 1313-1317, 2010 | 14 | 2010 |
Enhanced space charge limited current for curved electron emitters G Singh, R Kumar, D Biswas Physics of Plasmas 27 (10), 104501, 2020 | 12 | 2020 |
Predicting space-charge affected field emission current from curved tips D Biswas, R Kumar, G Singh Journal of Applied Physics 130 (18), 185302, 2021 | 9 | 2021 |
The Child-Langmuir law in the quantum domain D Biswas, R Kumar EPL (Europhysics Letters) 102 (5), 58002, 2013 | 9 | 2013 |
On the relation between the frequency of oscillation of a virtual cathode and injected current in one-dimensional grounded drift space R Kumar, RR Puri, D Biswas Physics of Plasmas 11 (1), 324-327, 2004 | 9 | 2004 |
Absence of saturation for finite injected currents in axially symmetric cavity diode D Biswas, R Kumar, RR Puri Physics of Plasmas 10 (11), 4521-4529, 2003 | 9 | 2003 |
Approximate universality in the electric field variation on a field-emitter tip in the presence of space charge R Kumar, G Singh, D Biswas Physics of Plasmas 28 (9), 093110, 2021 | 7 | 2021 |
Sensitive dependence of efficiency on cathode-wall position in a coaxial vircator—Numerical studies D Biswas, R Kumar IEEE Transactions on Plasma Science 39 (7), 1573-1576, 2011 | 7 | 2011 |
Simulating multi-scale gated field emitters—A hybrid approach SG Sarkar, R Kumar, G Singh, D Biswas Physics of Plasmas 28 (1), 013111, 2021 | 6 | 2021 |
Boundary conditions for the solution of the three-dimensional Poisson equation in open metallic enclosures D Biswas, G Singh, R Kumar Physics of Plasmas 22 (9), 093119, 2015 | 5 | 2015 |
On the saturation in the average transmitted current in two-dimensional planar diodes R Kumar, D Biswas Physics of Plasmas 16 (9), 093114, 2009 | 4 | 2009 |
The limiting current in a one-dimensional situation: Transition from a space charge limited to magnetically limited flow R Kumar, D Biswas Physics of Plasmas 15 (2), 023101, 2008 | 4 | 2008 |