Doppler splitting of electron cyclotron absorption resonance in plasmas

V. Arunasalam; P. C. Efthimion; J. C. Hosea; H. Hsuan; G. Taylor

doi:10.1103/PhysRevA.36.3909

Doppler splitting of electron cyclotron absorption resonance in plasmas

V. Arunasalam, P. C. Efthimion, J. C. Hosea, H. Hsuan, G. Taylor

Plasma Physics Lab

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

4 Scopus citations

Abstract

The Gaussian broadening of absorption lines due to the Doppler effect is well known. However, it is shown here for the first time that Doppler splitting occurs for the ordinary-mode electron-cyclotron-resonance absorption in plasmas. Although this absorption is due to the finite size of the electron Larmor orbits it is mainly determined by T? and is only weakly dependent on T via cyclotron-overstability-type terms. This is in contrast to intuitive expectations which would suggest that finite-Larmor-radius effects should depend strongly on T.

Original language	English (US)
Pages (from-to)	3909-3911
Number of pages	3
Journal	Physical Review A
Volume	36
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevA.36.3909
State	Published - 1987

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1103/PhysRevA.36.3909

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title = "Doppler splitting of electron cyclotron absorption resonance in plasmas",

abstract = "The Gaussian broadening of absorption lines due to the Doppler effect is well known. However, it is shown here for the first time that Doppler splitting occurs for the ordinary-mode electron-cyclotron-resonance absorption in plasmas. Although this absorption is due to the finite size of the electron Larmor orbits it is mainly determined by T? and is only weakly dependent on T via cyclotron-overstability-type terms. This is in contrast to intuitive expectations which would suggest that finite-Larmor-radius effects should depend strongly on T.",

author = "V. Arunasalam and Efthimion, \{P. C.\} and Hosea, \{J. C.\} and H. Hsuan and G. Taylor",

year = "1987",

doi = "10.1103/PhysRevA.36.3909",

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T1 - Doppler splitting of electron cyclotron absorption resonance in plasmas

AU - Arunasalam, V.

AU - Efthimion, P. C.

AU - Hosea, J. C.

AU - Hsuan, H.

AU - Taylor, G.

PY - 1987

Y1 - 1987

N2 - The Gaussian broadening of absorption lines due to the Doppler effect is well known. However, it is shown here for the first time that Doppler splitting occurs for the ordinary-mode electron-cyclotron-resonance absorption in plasmas. Although this absorption is due to the finite size of the electron Larmor orbits it is mainly determined by T? and is only weakly dependent on T via cyclotron-overstability-type terms. This is in contrast to intuitive expectations which would suggest that finite-Larmor-radius effects should depend strongly on T.

AB - The Gaussian broadening of absorption lines due to the Doppler effect is well known. However, it is shown here for the first time that Doppler splitting occurs for the ordinary-mode electron-cyclotron-resonance absorption in plasmas. Although this absorption is due to the finite size of the electron Larmor orbits it is mainly determined by T? and is only weakly dependent on T via cyclotron-overstability-type terms. This is in contrast to intuitive expectations which would suggest that finite-Larmor-radius effects should depend strongly on T.

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DO - 10.1103/PhysRevA.36.3909

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VL - 36

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EP - 3911

JO - Physical Review A

JF - Physical Review A

IS - 8

ER -

Doppler splitting of electron cyclotron absorption resonance in plasmas

Abstract

All Science Journal Classification (ASJC) codes

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