Superfluid densities in neutron-star matter

Details Superfluid densities in neutron-star matter Superfluid densities in neutron-star matter

Nov 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996phrvc..54.2745b&link_type=abstract

Physical Review C (Nuclear Physics), Volume 54, Issue 5, November 1996, pp.2745-2750

Physics

Nuclear Physics

29

Nuclear Matter Aspects Of Neutron Stars, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages, Neutron Stars

Scientific paper

The superfluid densities in a mixture of neutron and proton superfluids are discussed within Fermi-liquid theory. There are the usual diagonal densities ρnn and ρpp but also off-diagonal densities ρnp and ρpn which represent coupling between the two species. We express these quantities solely in terms of the Fermi momenta and the Landau parameter fpn1 in a way that explicitly satisfies the Galilean invariance constraints ρpp+ρpn=mpnp and ρnn+ρpn=mnnn. The results are of astrophysical interest, e.g., in a discussion of the damping of gravitational instability in rapidly rotating neutron stars or of post-glitch relaxation of pulsars.

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