Statistics – Computation
Scientific paper
Nov 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984afz....20..609t&link_type=abstract
(Astrofizika, vol. 20, Nov.-Dec. 1984, p. 609-625) Astrophysics (ISSN 0571-7132), vol. 20, no. 6, May 1985, p. 693-703. Translat
Statistics
Computation
Computational Astrophysics, Energy Transfer, Photon-Electron Interaction, Compton Effect, Fokker-Planck Equation, Gas Cooling, Gas Heating, Pulsars
Scientific paper
The relaxation of a nonequilibrium isotropic radiation field which is interacting via multiphoton Compton scattering with a nonrelativistic degenerate equilibrium electron gas is investigated theoretically. It is pointed out that the multiphoton processes are often orders of magnitude more efficient than the single-photon process in astronomical objects such as radio pulsars and the pulsar NP 0532. The time variation of the photon distribution function is described by a kinetic equation which is formulated in terms of effective photons and shown to be consistent with the H theorem of Boltzmann by estimating the total-entropy change in the electron-photon system. The time variation of the total exchange energy and the electron-gas heating and cooling process are also analyzed.
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