activity
20182025
most citedElectric field filamentation and higher harmonic generation in a very high frequency capacitive discharges

38 citations · 43 across the 4 of their papers we have counts for

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physics.plasm-ph2025

Simulation Studies of Resonant Excitation of Electron Bernstein Waves in Capacitive Discharges

Deepak Gautam, Sarveshwar Sharma, Igor Kaganovich +1

The behavior of capacitive coupled plasma (CCP) discharges is investigated in a mildly magnetized regime, defined by the condition 1 2, where

physics.plasm-ph2024

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…

physics.plasm-ph2024

Experimental investigation of an electronegative cylindrical capacitively coupled geometrically asymmetric plasma discharge with an axisymmetric magnetic field

Swati Dahiya, Narayan Sharma, Shivani Geete +3

In this study, we have investigated the production of negative ions by mixing electronegative oxygen gas with electropositive argon gas in a geometrically asymmetric cylindrical ca…

physics.plasm-ph2023

Charged particle dynamics in an elliptically polarized electromagnetic wave and a uniform axial magnetic field

Shivam Kumar Mishra, Sarveshwar Sharma, Sudip Sengupta

An analytical study of the charged particle dynamics in the presence of an elliptically polarized electromagnetic wave and a uniform axial magnetic field, is presented. It is found…

physics.plasm-ph2023

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…

physics.plasm-ph20205 cited

An enhanced operating regime for high frequency capacitive discharges

Sanket Patil, Sarveshwar Sharma, Sudip Sengupta +2

We report the existence of an enhanced operating regime for a high-frequency, low-pressure capacitively coupled plasma (CCP) discharge in the presence of a weak magnetic field appl…