Crust-breaking by neutron superfluids and the VELA pulsar glitches

Details Crust-breaking by neutron superfluids and the VELA pulsar glitches Crust-breaking by neutron superfluids and the VELA pulsar glitches

Jan 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976apj...203..213r&link_type=abstract

Astrophysical Journal, vol. 203, Jan. 1, 1976, pt. 1, p. 213-222. NSF-supported research.

Astronomy and Astrophysics

Astrophysics

91

Neutron Stars, Pulsars, Spin Dynamics, Stellar Rotation, Superfluidity, Angular Momentum, Angular Velocity, Momentum Transfer

Scientific paper

Anderson's (1975) suggestion of neutron-superfluid vortex pinning and unpinning in the crust lattice of a neutron star as the origin of pulsar timing noise is combined with existing estimates of the lattice breaking strength and creep. For the Vela pulsar, such models give large sudden jumps in frequency and in slowing-down rates as well as an interval between glitches, all of which are comparable to those observed. The qualitative differences between Vela and Crab glitches can also be understood.

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