Search Results - "Sharma, Sarveshwar"
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1
Dynamic mode decomposition of inertial particle caustics in Taylor–Green flow
Published in Scientific reports (17-05-2021)“…Inertial particles advected by a background flow can show complex structures. We consider inertial particles in a 2D Taylor–Green (TG) flow and characterize…”
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2
Effect of radiation-reaction on charged particle dynamics in a focused electromagnetic wave
Published in Scientific reports (10-11-2022)“…The effect of radiation-reaction force on the dynamics of a charged particle in an intense focused light wave is investigated using the physically appealing…”
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Journal Article -
3
Global gyrokinetic simulations of electrostatic microturbulent transport in LHD stellarator with boron impurity
Published in Nuclear fusion (01-01-2024)“…Abstract Global gyrokinetic simulations of electrostatic microturbulent transport for discharge # 166256 of the Large Helical Device stellarator in the…”
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4
Gyrokinetic simulations of electrostatic microturbulence in ADITYA-U tokamak
Published in Nuclear fusion (01-05-2023)“…Abstract Global gyrokinetic simulations of the electrostatic microturbulence driven by the pressure gradients of thermal ions and electrons are carried out for…”
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5
Electron bounce-cyclotron resonance in capacitive discharges at low magnetic fields
Published in Physical review research (28-01-2022)“…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…”
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6
Gyrokinetic simulations of electrostatic microturbulence in ADITYA-U tokamak with argon impurity
Published in Nuclear fusion (01-08-2024)“…Abstract The effect of impurity on the electrostatic microturbulence in ADITYA-U tokamak is assessed using global gyrokinetic simulations. The realistic…”
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7
A harmonic study of electric field nonlinearity and field reversal in collisionless capacitive discharges driven by sawtooth-like waveforms
Published in Physics letters. A (28-02-2024)“…•Presenting a systematic investigation of the emergence of electric field reversal regions in sawtooth waveforms using PIC simulation.•The simulation results…”
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8
Global gyrokinetic simulations of electrostatic microturbulent transport in LHD stellarator with boron impurity
Published in Nuclear fusion (17-11-2023)“…Global gyrokinetic simulations of electrostatic microturbulent transport for discharge # 166256 of the Large Helical Device stellarator in the presence of…”
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Journal Article -
9
Electron bounce-cyclotron resonance in capacitive discharges at low magnetic fields
Published in Physical review research (28-01-2022)Get full text
Journal Article -
10
Effect of Reconstruction Scheme on the Plasma Fluid Modeling With Original and Reformulated Ion-Related Modeling Equations Using HLL Flux Scheme
Published in IEEE transactions on plasma science (01-02-2019)“…In this paper, we would like to investigate the effect of spatial reconstruction schemes on the plasma fluid model with original and reformulated ion-related…”
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11
Study of stochastic heating using particle-in-cell simulation in single frequency capacitively coupled plasma discharges
Published in 2012 Abstracts IEEE International Conference on Plasma Science (01-07-2012)“…Summary form only given. The important phenomenon in low pressure radio-frequency capacitive discharges is stochastic heating. Ohmic heating is not the main…”
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Conference Proceeding -
12
Effect of gas pressure on plasma asymmetry and higher harmonics generation in sawtooth waveform driven capacitively coupled plasma discharge
Published 20-09-2024“…Using particle-in-cell (PIC) simulation technique, the effect of gas pressure (5-500 mTorr) on the plasma spatial asymmetry, ionization rate, metastable gas…”
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13
Charged particle dynamics in an elliptically polarized electromagnetic wave and a uniform axial magnetic field
Published 11-12-2023“…An analytical study of the charged particle dynamics in the presence of an elliptically polarized electromagnetic wave and a uniform axial magnetic field, is…”
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14
Investigation of Ion and Electron Kinetic Phenomena in Capacitively Coupled Radio-Frequency Plasma Sheaths: A Simulation Study
Published 01-01-2013“…Stochastic heating is an important phenomenon in low-pressure radio-frequency (RF) capacitive discharges. Recent theoretical work on this problem using several…”
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Dissertation -
15
Flux and energy asymmetry in a low pressure capacitively coupled plasma discharge excited by sawtooth-like waveform -- a harmonic study
Published 05-02-2023“…Control over plasma asymmetry in a low-pressure capacitively coupled plasma (CCP) discharges is vital for many plasma processing applications. In this article,…”
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Journal Article -
16
A systematic investigation of electric field nonlinearity and field reversal in low pressure capacitive discharges driven by sawtooth-like waveforms
Published 15-09-2023“…Understanding electron and ion heating phenomenon in capacitively coupled radio-frequency plasma discharges is vital for many plasma processing applications…”
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Journal Article -
17
Effect of radiation-reaction on charged particle dynamics in a focused electromagnetic wave
Published 15-12-2021“…Effect of radiation-reaction force on the dynamics of a charged particle in an intense focused light wave is investigated using the physically appealing…”
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Journal Article -
18
Zero-dimensional model for magnetic curvature driven Rayleigh Taylor turbulence simulations
Published in Physica A (15-05-2007)“…A zero-dimensional nonlinear evolution model is derived from the full set of two-dimensional fluid evolution equations of the curvature driven Rayleigh Taylor…”
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Journal Article -
19
Neural network assisted electrostatic global gyrokinetic toroidal code using cylindrical coordinates
Published 23-08-2024“…Gyrokinetic simulation codes are used to understand the microturbulence in the linear and nonlinear regimes of the tokamak and stellarator core. The codes that…”
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Journal Article -
20
Experimental investigation of an electronegative cylindrical capacitively coupled geometrically asymmetric plasma discharge with an axisymmetric magnetic field
Published 23-05-2024“…In this study, we have investigated the production of negative ions by mixing electronegative oxygen gas with electropositive argon gas in a geometrically…”
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Journal Article