CONSTRAINING NEUTRON STAR MATTER WITH QUANTUM CHROMODYNAMICS
Aleksi KurkelaPhysics Department, Theory Unit, CERN, CH-1211 Genève 23, SwitzerlandEduardo S. FragaFrankfurt Institute for Advanced Studies, Goethe University, D-60438 Frankfurt am Main, GermanyJürgen Schaffner-BielichInstitute for Theoretical Physics, Goethe University, D-60438 Frankfurt am Main, GermanyAleksi VuorinenDepartment of Physics and Helsinki Institute of Physics, P.O. Box 64, FI-00014 University of Helsinki, Finland
2014en
ABI
Аннотация
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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