On the existence of transiently negative diffusion coefficients for electrons in gases in E × B fields

R. D. White; S. Dujko; K. F. Ness; R. E. Robson; Z. Raspopović; Z. Lj Petrović

doi:10.1088/0022-3727/41/2/025206

On the existence of transiently negative diffusion coefficients for electrons in gases in E × B fields

R. D. White^*, S. Dujko, K. F. Ness, R. E. Robson, Z. Raspopović, Z. Lj Petrović

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

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.

Original language	English
Article number	025206
Journal	Journal Physics D: Applied Physics
Volume	41
Issue number	2
DOIs	https://doi.org/10.1088/0022-3727/41/2/025206
Publication status	Published - 21 Jan 2008

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title = "On the existence of transiently negative diffusion coefficients for electrons in gases in E × B fields",

abstract = "A recent study (Raspopovi{\'c} 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.",

author = "White, {R. D.} and S. Dujko and Ness, {K. F.} and Robson, {R. E.} and Z. Raspopovi{\'c} and Petrovi{\'c}, {Z. Lj}",

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AU - White, R. D.

AU - Dujko, S.

AU - Ness, K. F.

AU - Robson, R. E.

AU - Raspopović, Z.

AU - Petrović, Z. Lj

PY - 2008/1/21

Y1 - 2008/1/21

N2 - 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.

AB - 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.

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U2 - 10.1088/0022-3727/41/2/025206

DO - 10.1088/0022-3727/41/2/025206

M3 - Article

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VL - 41

JO - Journal Physics D: Applied Physics

JF - Journal Physics D: Applied Physics

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M1 - 025206

ER -

On the existence of transiently negative diffusion coefficients for electrons in gases in E × B fields

Abstract

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