Journal
PHYSICAL REVIEW C
Volume 103, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.103.025804
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Funding
- Fonds de la Recherche Scientifique (Belgium)
- PDR [T.004320]
- European Cooperation in Science and Technology action (EU) [CA16214]
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In this study, mutual entrainment effects in hot neutron-proton superfluid mixtures were investigated using the self-consistent nuclear energy-density functional theory. Analytical expressions for the entrainment matrix applicable to superfluid neutron-star cores were derived. The results were compared to those obtained using Landau's theory, laying the groundwork for a fully consistent microscopic description of superfluid neutron stars.
Mutual entrainment effects in hot neutron-proton superfluid mixtures are studied in the framework of the self-consistent nuclear energy-density functional theory. The local mass currents in homogeneous or inhomogeneous nuclear systems, which we derive from the time-dependent Hartree-Fock-Bogoliubov equations at finite temperatures, are shown to have the same formal expression as the ones we found earlier in the absence of pairing at zero temperature. Analytical expressions for the entrainment matrix are obtained for application to superfluid neutron-star cores. Results are compared to those obtained earlier using Landau's theory. Our formulas, valid for arbitrary temperatures and currents, are applicable to various types of functionals including the Brussels-Montreal series for which unified equations of state have been already calculated, thus, laying the ground for a fully consistent microscopic description of superfluid neutron stars.
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