Physics
Scientific paper
Jan 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981phrvd..23..316a&link_type=abstract
Physical Review D (Particles and Fields), Volume 23, Issue 2, 15 January 1981, pp.316-322
Physics
1
Scientific paper
Spontaneous magnetization and susceptibility of a noninteracting system of chargeless relativistic spin- 1/2 magnetic moments in the presence of an intense magnetic field are calculated. We find that spontaneous magnetization is unlikely to occur and that the susceptibility parameter (χ) obeys Curie-type behavior at high temperature (T), namely χ=(12)(NkT)μN2, where N is the number density, k is the Boltzmann constant, and μN is the anomalous magnetic moment of the spin- 1/2 object. These results are of direct interest to a neutron star where neutrons are considered to be the predominant constituent of matter and on its surface a magnetic field of strength ~ 1013 G is present. We also obtain the temperature-dependent corrections to the energy and number density of an ultradegenerate cold neutron star, which are necessary in connection with the equation of state of a hot neutron star.
Anand J. D.
Bhattacharjee Pijushpani
Biswas Sudhindra Nath
Hasan Mahmud Md.
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