Superfluid dynamics in neutron star crusts
C. J. Pethick, N. Chamel, and S. Reddy
TL;DR
This paper provides a simplified model of superfluid hydrodynamics in neutron star crusts, emphasizing the influence of nuclear lattice structures and neutron-proton entrainment on superfluid behavior.
Contribution
It introduces a straightforward description of superfluid dynamics in neutron star crusts, focusing on lattice effects and neutron entrainment, which are often overlooked.
Findings
Lattice of nuclei significantly affects superfluid properties.
Entrainment causes some neutrons to move with protons in nuclei.
The model highlights the impact of nuclear structure on superfluid dynamics.
Abstract
A simple description of superfluid hydrodynamics in the inner crust of a neutron star is given. Particular attention is paid to the effect of the lattice of nuclei on the properties of the superfluid neutrons, and the effects of entrainment, the fact that some fraction of the neutrons are locked to the motion of the protons in nuclei.
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