Physics – Condensed Matter – Superconductivity
Scientific paper
Oct 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ap%26ss.115...43m&link_type=abstract
Astrophysics and Space Science (ISSN 0004-640X), vol. 115, no. 1, Oct. 1985, p. 43-49.
Physics
Condensed Matter
Superconductivity
35
Neutron Stars, Pulsars, Stellar Cores, Stellar Magnetic Fields, Stellar Models, Superfluidity, Stellar Interiors, Stellar Rotation, Superconductivity, Vortices
Scientific paper
The authors adopt that in the interior of neutron stars both the proton and neutron superfluids are in the vortex state. Thus, in the superconducting core the magnetic field is expected to be organized in the form of quantized fluxoids. It is shown that fluxoids are buoyant. This gives rise to a rapid (⪉5×104yr) expulsion of the magnetic field out of the superconducting core to the subcrustal region, and a subsequent decay within the outer crust. The effect considered may be the physical reason why the characteristic decay-time of pulsar magnetic fields (≡106yr) corresponds to the ohmic dissipation time within the neutron star crust. The intersection of two types of vortex lines with each other and its possible consequence for pulsars is briefly discussed.
Muslimov Alex G.
Tsygan Anatolii I.
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