5 papers
Effect of gas pressure on plasma asymmetry and higher harmonics generation in sawtooth waveform driven capacitively coupled plasma discharge
Sarveshwar Sharma, Miles Turner, Nishant Sirse
Using particle-in-cell (PIC) simulation technique, the effect of gas pressure (5-500 mTorr) on the plasma spatial asymmetry, ionization rate, metastable gas densities profile, elec…
Neural network assisted electrostatic global gyrokinetic toroidal code using cylindrical coordinates
Jaya Kumar Alageshan, Joydeep Das, Tajinder Singh +2
Gyrokinetic simulation codes are used to understand the microturbulence in the linear and nonlinear regimes of the tokamak and stellarator core. The codes that use flux coordinates…
A systematic investigation of electric field nonlinearity and field reversal in low pressure capacitive discharges driven by sawtooth-like waveforms
Sarveshwar Sharma, Nishant Sirse, Miles M Turner +1
Understanding electron and ion heating phenomenon in capacitively coupled radio-frequency plasma discharges is vital for many plasma processing applications. In this article, using…
Particle-in-cell simulation of a 50~mTorr capacitively coupled argon discharge over a range of frequencies
Saurabh Simha, Sarveshwar Sharma, Alexander Khrabrov +3
The effect of driving frequency in the range of 13.56 MHz to 73 MHz on electron energy distribution and electron heating modes in a 50 mTorr capacitively coupled argon plasma disch…
Effect of radiation-reaction on charged particle dynamics in a focused electromagnetic wave
Shivam Kumar Mishra, Sarveshwar Sharma, Sudip Sengupta
Effect of radiation-reaction force on the dynamics of a charged particle in an intense focused light wave is investigated using the physically appealing Hartemann-Luhmann equation…