Doppler splitting of electron cyclotron absorption resonance in plasmas
Journal Article
·
· Phys. Rev. A; (United States)
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/sub X/ and is only weakly dependent on T/sub perpendicular/ 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/sub perpendicular/.
- Research Organization:
- Plasma Physics Laboratory, Princeton University, P.O. Box 451, Princeton, New Jersey 08544-0451
- OSTI ID:
- 6112604
- Journal Information:
- Phys. Rev. A; (United States), Journal Name: Phys. Rev. A; (United States) Vol. 36:8; ISSN PLRAA
- Country of Publication:
- United States
- Language:
- English
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