The relativistic entrainment matrix of a superfluid nucleon-hyperon mixture. II. Effect of finite temperatures
M.E. Gusakov (1), E.M. Kantor (1), P. Haensel (2) ((1) Ioffe, Institute, (2) CAMK)
TL;DR
This paper computes the relativistic entrainment matrix for superfluid nucleon-hyperon mixtures at finite temperatures, aiding neutron star modeling and understanding superfluid baryon matter.
Contribution
It extends previous work by calculating the temperature-dependent relativistic entrainment matrix for superfluid nucleon-hyperon mixtures.
Findings
Provides a temperature-dependent relativistic entrainment matrix
Useful for modeling neutron star pulsations
Enhances understanding of superfluid baryon matter
Abstract
We calculate the important quantity of superfluid hydrodynamics, the relativistic entrainment matrix for a nucleon-hyperon mixture at arbitrary temperature. In the nonrelativistic limit this matrix is also termed the Andreev-Bashkin or mass-density matrix. Our results can be useful for modeling the pulsations of massive neutron stars with superfluid nucleon-hyperon cores and for studies of the kinetic properties of superfluid baryon matter.
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