Third-order transport coefficient tensor of charged-particle swarms in electric and magnetic fields

Simonovic, I., Bosnjakovic, D., Petrovic, Z.Lj., Stokes, P., White, R.D., and Dujko, S. (2020) Third-order transport coefficient tensor of charged-particle swarms in electric and magnetic fields. Physical Review E (statistical, nonlinear, biological, and soft matter physics), 101 (2). 023203.

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Abstract

Third-order transport coefficient tensor of charged-particle swarms in neutral gases in the presence of spatially uniform electric and magnetic fields is considered using a multiterm solution of Boltzmann's equation and Monte Carlo simulation technique. The structure of the third-order transport coefficient tensor and symmetries along its individual components in varying configurations of electric and magnetic fields are addressed using a group projector technique and through symmetry considerations of the Boltzmann equation. In addition, we focus upon the physical interpretation of the third-order transport coefficient tensor by considering the extended diffusion equation which incorporates the contribution of the third-order transport coefficients to the density profile of charged particles. Numerical calculations are carried out for electron and ion swarms for a range of model gases with the aim of establishing accurate benchmarks for third-order transport coefficients. The effects of ion to neutral-particle mass ratio are also examined. The errors of the two-term approximation for solving the Boltzmann equation and limitations of previous treatments of the high-order charged-particle transport properties are also highlighted.

Item ID: 62388
Item Type: Article (Research - C1)
ISSN: 2470-0053
Keywords: kinetic theory, plasma physics, statistical physics, third-order transport, Boltzmann equation, charged-particle swarms
Copyright Information: © 2020 American Physical Society.
Funders: Ministry of Education, Science and Technological Development of the Republic of Serbia (RS), Serbian Academy of Science and Arts (SASA), Australian Research Council (ARC)
Projects and Grants: RS Grant ON171037, RS Grant III41011, SASA Project 155
Date Deposited: 04 Mar 2020 07:35
FoR Codes: 51 PHYSICAL SCIENCES > 5106 Nuclear and plasma physics > 510602 Plasma physics; fusion plasmas; electrical discharges @ 100%
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