Radiative heat conduction in a magnetic field

Details Radiative heat conduction in a magnetic field Radiative heat conduction in a magnetic field

Feb 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977afz....13..173p&link_type=abstract

Astrofizika, vol. 13, Feb. 1977, p. 173-183. In Russian.

Astronomy and Astrophysics

Astrophysics

11

Astrophysics, Conductive Heat Transfer, Radiative Heat Transfer, Stellar Magnetic Fields, Field Strength, Heat Transfer Coefficients, Lines Of Force, Neutron Stars, Stellar Envelopes, White Dwarf Stars

Scientific paper

An equation of radiative heat conduction in a medium with a magnetic field is derived which contains two somewhat different thermal conductivities, one along and one across the magnetic field. The thermal conductivities are computed for the case where free-free transitions constitute the main interaction process between the radiation and the medium in the presence of a relatively weak and a very strong magnetic field. Possible consequences of the effect of the magnetic field on radiative heat transfer in the outer layers of white dwarfs and at the surface of neutron stars are examined. In particular, it is shown that because the radiative energy flux in the magnetic field is not parallel to the temperature gradient, LTE conditions are violated in white dwarfs, and hydrodynamic flows of the meridional-circulation type arise.

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