On the existence of transiently negative diffusion coefficients for electrons in gases in E x B fields
White, R.D., Dujko, S., Ness, K.F., Robson, R.E., Raspopovic, Z., and Petrovic, Z.Lj. (2008) On the existence of transiently negative diffusion coefficients for electrons in gases in E x B fields. Journal of Physics D: applied physics, 41 (2). pp. 25206-25212.
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Abstract
A recent study (Raspopović Z et al 2000 J. Phys. D: Appl. Phys. 33 1298) reported the existence of negative diagonal diffusion tensor elements for electrons in a neutral gas under the influence of crossed radiofrequency electric and magnetic fields. In this paper we demonstrate, using a time-dependent multi-term solution of the Boltzmann equation and time-resolved Monte Carlo simulation, that this phenomenon is a transient relaxation effect obtainable under dc crossed field conditions.
| Item ID: | 10090 |
|---|---|
| Item Type: | Article (Research - C1) |
| ISSN: | 1361-6463 |
| Keywords: | plasma; Boltzmann equation; swarms |
| Date Deposited: | 12 Apr 2010 03:55 |
| FoR Codes: | 02 PHYSICAL SCIENCES > 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics > 020204 Plasma Physics; Fusion Plasmas; Electrical Discharges @ 50% 02 PHYSICAL SCIENCES > 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics > 020201 Atomic and Molecular Physics @ 50% |
| SEO Codes: | 97 EXPANDING KNOWLEDGE > 970102 Expanding Knowledge in the Physical Sciences @ 100% |
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