Enhanced collisionless heating in a nonuniform plasma at the bounce resonance condition

Oleg V. Polomarov; Constantine E. Theodosiou; Igor D. Kaganovich

doi:10.1063/1.1986163

Enhanced collisionless heating in a nonuniform plasma at the bounce resonance condition

Oleg V. Polomarov, Constantine E. Theodosiou, Igor D. Kaganovich

Plasma Physics Lab

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

25 Scopus citations

Abstract

The importance of accounting for a nonuniform density profile for modeling of collisionless electron heating in a bounded low-pressure plasma is demonstrated. A drastic enhancement of the power transfer into an inductive plasma under the condition of a bounce resonance is observed if the nonuniformity of the plasma density profile is accounted for. This enhanced plasma heating is attributed to the increase of the number of resonant electrons, for which the bounce frequency of electrons confined inside the plasma potential is equal to the rf field frequency.

Original language	English (US)
Article number	080704
Pages (from-to)	1-4
Number of pages	4
Journal	Physics of Plasmas
Volume	12
Issue number	8
DOIs	https://doi.org/10.1063/1.1986163
State	Published - Aug 2005

All Science Journal Classification (ASJC) codes

Condensed Matter Physics

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10.1063/1.1986163

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abstract = "The importance of accounting for a nonuniform density profile for modeling of collisionless electron heating in a bounded low-pressure plasma is demonstrated. A drastic enhancement of the power transfer into an inductive plasma under the condition of a bounce resonance is observed if the nonuniformity of the plasma density profile is accounted for. This enhanced plasma heating is attributed to the increase of the number of resonant electrons, for which the bounce frequency of electrons confined inside the plasma potential is equal to the rf field frequency.",

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N2 - The importance of accounting for a nonuniform density profile for modeling of collisionless electron heating in a bounded low-pressure plasma is demonstrated. A drastic enhancement of the power transfer into an inductive plasma under the condition of a bounce resonance is observed if the nonuniformity of the plasma density profile is accounted for. This enhanced plasma heating is attributed to the increase of the number of resonant electrons, for which the bounce frequency of electrons confined inside the plasma potential is equal to the rf field frequency.

AB - The importance of accounting for a nonuniform density profile for modeling of collisionless electron heating in a bounded low-pressure plasma is demonstrated. A drastic enhancement of the power transfer into an inductive plasma under the condition of a bounce resonance is observed if the nonuniformity of the plasma density profile is accounted for. This enhanced plasma heating is attributed to the increase of the number of resonant electrons, for which the bounce frequency of electrons confined inside the plasma potential is equal to the rf field frequency.

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Enhanced collisionless heating in a nonuniform plasma at the bounce resonance condition

Abstract

All Science Journal Classification (ASJC) codes

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