Transport properties of the outer crust of magnetic neutron stars

Details Transport properties of the outer crust of magnetic neutron stars Transport properties of the outer crust of magnetic neutron stars

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984phdt.........6h&link_type=abstract

Ph.D. Thesis Massachusetts Univ., Amherst.

Astronomy and Astrophysics

Astronomy

Neutron Stars, Stellar Magnetic Fields, Stellar Models, Stellar Temperature, Temperature Distribution, Thermal Conductivity, Transport Properties, Anisotropic Media, Black Body Radiation, Magnetic Effects, Pulsars, Stellar Evolution, Temperature Dependence, X Ray Astronomy

Scientific paper

The intense magnetic field in the outer crust of neutron stars leads to anisotropic transport of charge and thermal energy near the surface. Simple models of thermal transport in an anisotropic medium are considered. Two models for the surface temperature field are presented. The X-ray emission from two radio pulsars is interpreted as examples of this magnetic field effect. Thermal and electrical conductivities of the dense matter in the outer crusts of magnetic neutron stars are important in understanding the evolution and structure of these bodies. The longitudinal transport coefficients are calculated using the correct atomic description of the outer crust of the star, in which the electrons are confined in cylindrical sheaths of Landau orbitals surrounding each chain of nuclei oriented along the magnetic field. It is found that the thermal conductivity is greatly reduced in the outer crust relative to zero field calculations and displays a complex dependence on both density and temperature.

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