Radiation for a strongly-magnetized plasma - The case of predominant scattering

Details Radiation for a strongly-magnetized plasma - The case of predominant scattering Radiation for a strongly-magnetized plasma - The case of predominant scattering

Sep 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982ap%26ss..86..249k&link_type=abstract

Astrophysics and Space Science, vol. 86, no. 2, Sept. 1982, p. 249-297.

Astronomy and Astrophysics

Astrophysics

52

Gamma Ray Bursts, Plasma Radiation, Radiative Transfer, Space Plasmas, Stellar Models, X Ray Sources, Cyclotron Radiation, Magnetic Fields, Magnetohydrodynamics, Mathematical Models, Polarized Radiation, Pulsars, Thomson Scattering, Vacuum Effects

Scientific paper

Solutions of the radiative transfer problem are obtained on the basis of a diffusion approach for normal modes, and then analyzed for the case of an optically thick, tenuous plasma with a strong magnetic field when scattering processes without change of proton frequency are dominant. In addition, the radiative transfer coefficients as well as spectra, angular dependences and polarization of the outgoing radiation are investigated in detail for a cold plasma. The effects of electron deposition vacuum polarization are taken into account and shown to be very significant. Simple analytic solutions are obtained for various limiting cases, including small and large vacuum polarization, high, low, and near-cyclotron resonance radiation frequencies, and different orientations of the magnetic field. The results obtained are necessary for analyzing strongly magnetized neutron stars' X-ray and gamma-ray radiation.

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