Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...223...71s&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 223, no. 1-2, Oct. 1989, p. 71-78.
Astronomy and Astrophysics
Astrophysics
4
Active Galactic Nuclei, Compton Effect, Electron-Ion Recombination, Plasma Heating, Density Distribution, Electron Energy, Emission Spectra, Ion Temperature, Spectral Line Width
Scientific paper
The assumption of equal electron and ion temperatures in Compton-heated plasmas is investigated. It is shown that the energy exchange between electrons and ions in anisotropically illuminated plasmas is governed by collective processes. Their timescales are much shorter than both the timescale of relaxation by electron-ion Coulomb collisions and the timescale of Compton heating. Since the instability is caused by the energy- and momentum-transfer of photons to electrons by Compton scattering, both plasma components are heated on equal timescales due to Compton scattering.
Lesch Harald
Schmutzler Thomas
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