Two-Photon Emission in X-Ray Pulsars - Part Two - Radiation Transfer

Details Two-Photon Emission in X-Ray Pulsars - Part Two - Radiation Transfer Two-Photon Emission in X-Ray Pulsars - Part Two - Radiation Transfer

Feb 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...156..277k&link_type=abstract

Astronomy and Astrophysics, Vol.156, NO.1/2:FEBII, P. 277, 1986

Astronomy and Astrophysics

Astrophysics

8

Scientific paper

A transport equation governing the transfer of radiation in the accretion columns of strongly magnetized X-ray pulsars is derived using a generalization of a method due to Melrose (1981). Processes included are cyclotron absorption and emission, Compton scattering, bremsstrahlung and double Compton scattering. A prescription is derived to deal with terms which scatter particles from the ground state to the first excited state. The equation is used to demonstrate that the resonant part of double Compton scattering may be expected to dominate bremsstrahlung as a source of photons over a wide parameter range of interest. Current models which neglect this effect are inconsistent in their calculation of continuum spectra.

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