CONSTRAINING NEUTRON STAR MATTER WITH QUANTUM CHROMODYNAMICS
Aleksi KurkelaPhysics Department, Theory Unit, CERN, CH-1211 Genève 23, SwitzerlandEduardo S. FragaInstituto de Física, Universidade Federal do Rio de Janeiro, Caixa Postal 68528, 21941-972, Rio de Janeiro, RJ, BrazilJürgen Schaffner-BielichInstitute for Theoretical Physics, Goethe University, D-60438 Frankfurt am Main, GermanyAleksi VuorinenHelsinki Institute of Physics
2014en
ABI
Annotatsiya
In recent years, there have been several successful attempts to constrain the equation of state of neutron star matter using input from low-energy nuclear physics and observational data. We demonstrate that significant further restrictions can be placed by additionally requiring the pressure to approach that of deconfined quark matter at high densities. Remarkably, the new constraints turn out to be highly insensitive to the amount --- or even presence --- of quark matter inside the stars.
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