Sustained magnetic fields in binary millisecond pulsars

Details Sustained magnetic fields in binary millisecond pulsars Sustained magnetic fields in binary millisecond pulsars

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987natur.329..696c&link_type=abstract

Nature (ISSN 0028-0836), vol. 329, Oct. 22, 1987, p. 696-698. NSF-supported research.

Physics

48

Binary Stars, Neutron Stars, Pulsars, Stellar Magnetic Fields, Gravitational Collapse, Stellar Evolution, Stellar Mass Accretion, White Dwarf Stars

Scientific paper

It is proposed here that the magnetic fields of neutron stars do not decay either in binary millisecond pulsars (BMPs) or in general. This eliminates the severe discrepancy between the hypothesis that neutron stars in BMPs formed from the accretion-induced collapse of white dwarfs with shorter orbital periods and the observation that the fraction of pulsars which are BMPs is too large by a factor of over 100. It is also shown that, if such neutron stars are formed from the accretion-induced magnetic flux and an angular momentum-conserving collapse of white dwarfs, most of them are likely to have been born, and remain, spinning rapidly and to have weak magnetic fields, in agreement with observations of BMPs and low-mass X-ray binaries.

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