Superfluid vortices in neutron stars

Details Superfluid vortices in neutron stars Superfluid vortices in neutron stars

2001-02-20

arxiv.org/abs/astro-ph/0102343v1

Astronomy and Astrophysics

Astrophysics

28 pages, 8 figures. To appear in Astronomy & Astrophysics

Scientific paper

10.1051/0004-6361:20010160

A microscopic, quantum mechanical model for neutron vortices in the crust of a neutron star is presented. After a brief introduction to the Bogoliubov- de Gennes equations, which form the basis for our calculations, we present results for density distributions, vortex core sizes and vortex energies, both for an isolated neutron vortex and for the case when the vortex core overlaps with a cylindrical nucleus. Earlier results on the vortex core size are confirmed, indicating a much less dramatic variation of the vortex core size with density than predicted by the BCS formula.

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