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Equation of State of a Magnetized Dense Neutron System

Neutron-Star-Merger Equation of State

Department of Physics, Kent State University, Kent, OH 44242, USA
Institut für Theoretische Physik, Max-von-Laue-Straße 1, 60438 Frankfurt, Germany
Frankfurt Institute for Advanced Studies, Ruth-Moufang-Straße 1, 60438 Frankfurt, Germany
GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany
Author to whom correspondence should be addressed.
Universe 2019, 5(5), 129;
Received: 31 March 2019 / Revised: 17 May 2019 / Accepted: 22 May 2019 / Published: 25 May 2019
In this work, we discuss the dense matter equation of state (EOS) for the extreme range of conditions encountered in neutron stars and their mergers. The calculation of the properties of such an EOS involves modeling different degrees of freedom (such as nuclei, nucleons, hyperons, and quarks), taking into account different symmetries, and including finite density and temperature effects in a thermodynamically consistent manner. We begin by addressing subnuclear matter consisting of nucleons and a small admixture of light nuclei in the context of the excluded volume approach. We then turn our attention to supranuclear homogeneous matter as described by the Chiral Mean Field (CMF) formalism. Finally, we present results from realistic neutron-star-merger simulations performed using the CMF model that predict signatures for deconfinement to quark matter in gravitational wave signals. View Full-Text
Keywords: gravitational wave; neutron-star-merger; quark matter gravitational wave; neutron-star-merger; quark matter
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MDPI and ACS Style

Dexheimer, V.; Constantinou, C.; Most, E.R.; Papenfort, L.J.; Hanauske, M.; Schramm, S.; Stoecker, H.; Rezzolla, L. Neutron-Star-Merger Equation of State. Universe 2019, 5, 129.

AMA Style

Dexheimer V, Constantinou C, Most ER, Papenfort LJ, Hanauske M, Schramm S, Stoecker H, Rezzolla L. Neutron-Star-Merger Equation of State. Universe. 2019; 5(5):129.

Chicago/Turabian Style

Dexheimer, Veronica, Constantinos Constantinou, Elias R. Most, L. J. Papenfort, Matthias Hanauske, Stefan Schramm, Horst Stoecker, and Luciano Rezzolla. 2019. "Neutron-Star-Merger Equation of State" Universe 5, no. 5: 129.

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