Role of magnetic interactions in neutron stars
Souvik Priyam Adhya, Pradip K. Roy
TL;DR
This paper investigates how magnetic interactions and non-Fermi liquid effects influence the thermal and neutrino emission properties of neutron star cores, impacting star cooling and pulsar velocities.
Contribution
It provides the first detailed calculation of non-Fermi liquid corrections to specific heat and neutrino emissivity in magnetized quark matter within neutron stars.
Findings
Non-Fermi liquid corrections significantly alter specific heat and neutrino emissivity.
Anomalous effects impact neutron star cooling and pulsar kick velocities.
Comparison shows deviations from simple Fermi liquid predictions.
Abstract
In this work, we present a calculation of the non-Fermi liquid correction to the specific heat of magnetized degenerate quark matter present at the core of the neutron star. The role of non-Fermi liquid corrections to the neutrino emissivity has been calculated beyond leading order. We extend our result to the evaluation of the pulsar kick velocity and cooling of the star due to such anomalous corrections and present a comparison with the simple Fermi liquid case.
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Taxonomy
TopicsPulsars and Gravitational Waves Research · Quantum, superfluid, helium dynamics · High-pressure geophysics and materials