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Related papers: Ion dynamics in capacitively coupled argon-xenon d…

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A volume-averaged global model is developed to investigate surface-wave discharges inside either cylindrical or coaxial structures. The neutral and ion wall flux is self-consistently estimated based on a simplified analytical description…

A hybrid kinetic-fluid model is used to study plasma stratification in alternating current (AC) discharges in noble gases at low plasma densities. Self-consistent coupled solutions of a nonlocal kinetic equation for electrons, a…

Plasma Physics · Physics 2024-10-24 Vladimir I. Kolobov , Robert R. Arslanbekov

In this work, we analyze the creation of the discharge asymmetry and the concomitant formation of the DC self-bias voltage in capacitively coupled radio frequency plasmas driven by multi-frequency waveforms, as a function of the electrode…

Plasma Physics · Physics 2024-06-19 R. U. Masheyeva , K. N. Dzhumagulova , M. Myrzaly , J. Schulze , Z. Donko

A zero-dimensional (volume-averaged) and a pseudo-one-dimensional (plug-flow) model are developed to investigate atmospheric-pressure plasma jet devices operated with He, He/O$_2$, He/N$_2$ and He/N$_2$/O$_2$ mixtures. The models are…

A future plasma based linear collider has the potential to reach unprecedented energies and transform our understanding of high energy physics. The extremely dense beams in such a device would cause the plasma ions to fall toward the axis.…

Accelerator Physics · Physics 2021-07-02 C. Hansel , M. Yadav , P. Manwani , W. An , W. Mori , J. Rosenzweig

The electrostatic perturbations in an unmagnetized, non-isothermal ($T_i{\ll}T_e$) electron-ion plasma shear flow are considered. New physical effects, arising due to the non-normality of linear dynamics, are described. It is shown that the…

plasm-ph · Physics 2008-02-03 A. D. Rogava , G. D. Chagelishvili , V. I. Berezhiani

We study the pickup ion dynamics and mechanism of multiple reflection and acceleration at the structured quasi-perpendicular supercritical shock. The motion of the pickup ions in the shock is studied analytically and numerically using the…

Space Physics · Physics 2009-10-30 D. Zilbersher , M. Gedalin

The motion of electrons and ions in medium-sized rare gas clusters (1000 atoms) exposed to intense laser pulses is studied microscopically by means of classical molecular dynamics using a hierarchical tree code. Pulse parameters for optimum…

Atomic and Molecular Clusters · Physics 2007-05-23 Ulf Saalmann , Jan-Michael Rost

We study a partially ionized hydrogen plasma by means of quantum molecular dynamics, which is based on wave packets. We introduce a new model which distinguishes between free and bound electrons. The free electrons are modelled as Gaussian…

Plasma Physics · Physics 2009-10-30 W. Ebeling , B. Militzer

In this paper we investigate the resonant electron-plasmon interactions in a drifting electron gas of arbitrary degeneracy. The kinetic corrected quantum hydrodyanmic model is transformed into the effective Schr\"{o}dinger-Poisson model and…

Plasma Physics · Physics 2021-02-24 M. Akbari-Moghanjoughi

We numerically investigate the dynamic heterogeneity and its length scale found in the coarse-grained ionic liquid model systems. In our ionic liquid model systems, cations are modeled as dimers with positive charge, while anions are…

Soft Condensed Matter · Physics 2016-03-10 Soree Kim , Sang-Won Park , YounJoon Jung

Plasma flow and acceleration in a magnetic mirror configuration are studied using a drift-kinetic particles-in-cell model in the paraxial approximation, with an emphasis on finite temperature effects and energy transport. Energy conversion…

Plasma Physics · Physics 2025-01-28 M. Tyushev , A. Smolyakov , A. Sabo , R. Groenewald , A. Necas , P. Yushmanov

Reactive species produced by atmospheric pressure plasma jets have high application potential in the fields of biomedicine and surface processing. An extensive validation between the simulation results in this work and measurement data from…

Plasma Physics · Physics 2025-05-22 Youfan He , Ralf Peter Brinkmann , Efe Kemaneci , Andrew R. Gibson

The idea of using a gas-mixture comprising atoms with high mass number in order to increase proton energies in laser induced plasma acceleration at under critical density is investigated by means of 2D PIC (Particle-In-Cell) simulations.…

Plasma Physics · Physics 2019-06-25 Tadzio Levato , Leonardo V. Goncalves , Vincenzo Giannini

A low-pressure magnetized plasma is studied to find the dependency of sheath properties on ion-neutral collisions in presence of an inhomogeneous magnetic field. A self-consistent one-dimensional two-fluid hydrodynamic model is considered,…

Plasma Physics · Physics 2021-05-04 K. Deka , S. Adhikari , R. Moulick , S. S. Kausik , B. K. Saikia

Dipolar dissociation processes in the electron collisions with carbon monoxide have been studied using time of flight (TOF) mass spectroscopy in combination with the highly differential velocity slice imaging (VSI) technique. Probing…

Atomic and Molecular Clusters · Physics 2016-12-13 Dipayan Chakraborty , Pamir Nag , Dhananjay Nandi

Multiple space and time scales arise in plasma turbulence in magnetic confinement fusion devices because of the smallness of the square root of the electron-to-ion mass ratio $(m_e/m_i)^{1/2}$ and the consequent disparity of the ion and…

Plasma Physics · Physics 2019-06-26 M. R. Hardman , M. Barnes , C. M. Roach , F. I. Parra

Plasma chemistry of main air components is implemented in a hybrid 2D axisymmetric simulation code to assess the air-breathing concept in an electrodeless plasma thruster. Relevant electron-heavy species collisions for diatomic molecules…

Plasma Physics · Physics 2024-12-24 Jiewei Zhou , Francesco Taccogna , Pablo Fajardo , Eduardo Ahedo

Large-payload deep space missions are impractical with current rocket propulsion technologies in use. Chemical thrusters yield a high thrust but low efficiency while ion thrusters are efficient but provide too little thrust for large…

Plasma Physics · Physics 2022-11-18 Ishaan Mishra

New Molecular Dynamics simulations have been carried out in order to get an insight on the physical mechanisms that determine the drift mobility of negative Oxygen ions in very dense Neon gas in the supercritical phase close to the critical…

Chemical Physics · Physics 2017-10-06 A. F. Borghesani , F. Aitken