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The Cooling of Compact Stars
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The cooling of a compact star depends very sensitively on the state of dense matter at supranuclear densities, which essentially controls the neutrino emission, as well as on the structure of the stellar outer layers which control the photon emission. Open issues concern the hyperon population, the presence of meson condensates, superfluidity and superconductivity, and the transition of confined hadronic matter to quark matter. This paper describes these issues and presents cooling calculations based on a broad collection of equations of state for neutron star matter and strange matter. These results are tested against the body of observed cooling data.
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Forward citations
Cited by 3 Pith papers
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Bayesian inferences on covariant density functionals from multimessenger astrophysical data: Influences of parametrizations of density dependent couplings
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Cooling of Isolated Neutron Stars with Hyperon-mixed Kaon-Condensation Matter
Strong proton superconductivity at high densities shuts down nucleon and hyperon direct Urca cooling, making kaon-induced Urca processes dominant and explaining cold massive neutron stars.
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Constraining dark matter self-interaction from kinetic heating in neutron stars
Observation of neutron stars at 1000-1200 K could constrain asymmetric dark matter self-interaction cross-sections by two orders of magnitude beyond bullet cluster limits.
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