Neutrino Luminosity by the Ordinary Urca Process in an Intense Magnetic Field

Details Neutrino Luminosity by the Ordinary Urca Process in an Intense Magnetic Field Neutrino Luminosity by the Ordinary Urca Process in an Intense Magnetic Field

Feb 1971

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1971ap%26ss..10..246c&link_type=abstract

Astrophysics and Space Science, Volume 10, Issue 2, pp.246-264

Astronomy and Astrophysics

Astrophysics

3

Scientific paper

The neutrino luminosity by the ordinary URCA process in a strongly magnetized electron gas is computed. General formulae are presented for the URCA energy loss rates for an arbitrary degree of degeneracy. Analytic expressions are derived for a completely degenerate, relativistic electron plasma in the special case of neutron-proton conversion. Numerical results are given for more general cases. The main results are as follows: the URCA energy loss rates are drastically reduced for the regime of great degeneracy by a factor up to 10-3 for Θ≅1, andT 9≲10, where Θ=H/H q ,H q =m 2 c 3/eh=4.414×1013 G. In the non-degenerate regime the neutrino luminosity is enhanced approximately linearly with Θ for the temperature range 1≲T 9≲10. Possible applications to white dwarfs and neutron stars are briefly discussed.

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