Rotation of the neutron-drip superfluid in pulsars - The resistive force

Details Rotation of the neutron-drip superfluid in pulsars - The resistive force Rotation of the neutron-drip superfluid in pulsars - The resistive force

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.243..257j&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 243, March 15, 1990, p. 257-262.

Astronomy and Astrophysics

Astrophysics

27

Neutron Flux Density, Nuclear Astrophysics, Pulsars, Superfluidity, Energy Transfer, Flux Pinning, Neutron Scattering

Scientific paper

The translational motion of superfluid neutron vortices is coupled with the electron-phonon system of the neutron-drip nuclear lattice. An elementary calculation of the energy transfer to electrons and phonons is given. The magnitude of the resistive force derived is such that, during spin-down, the vortices in a large fraction of the superfluid are not pinned and can move through the lattice with velocities of the order of 10 cm/sec. Pinning and unpinning of some vortices must occur, in order to provide the observed period discontinuities. But the period derivative relaxation following a discontinuity is probably determined by the resistive force derived here.

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