Relaxation time of the superfluid core of a neutron star.

Details Relaxation time of the superfluid core of a neutron star. Relaxation time of the superfluid core of a neutron star.

Oct 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997ap.....40..320s&link_type=abstract

Astrophysics, Volume 40, Issue 4, pp.320-326

Astronomy and Astrophysics

Astrophysics

Neutron Stars: Relaxation, Neutron Stars: Pulsars

Scientific paper

The superconducting proton condensate in the “npe” phase of a neutron star is considered. It is shown to be a type II superconductor in the outer layer of the “npe” phase and a type I superconductor in the inner layer. Relaxation times are found for elastic scattering of normal relativistic electrons from the magnetic fields of proton vortex clusters in the case of a type II superconductor and elastic scattering from the magnetic field at the center of a neutron vortex in the case of a superconductor of the first kind. The dynamical relaxation times obtained for the angular velocity of the pulsar PSR 0833—45 vary, as a function of the density of the layers taking part in the relaxation process, within a fairly wide range: from several hours to l09 years. This means that the characteristic times of variation of pulsar angular velocity may be observed to lie in the indicated time range.

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