Exploring the Phase Diagram of V-QCD with Neutron Star Merger Simulations

Determining the phase structure of Quantum Chromodynamics (QCD) and its Equation of State (EOS) at densities and temperatures realized inside neutron stars and their mergers is a long-standing open problem. The holographic V-QCD framework provides a model for the EOS of dense and hot QCD, which desc...

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Bibliographic Details
Published in:EPJ Web of conferences 2022, Vol.274, p.7006
Main Authors: Demircik, Tuna, Ecker, Christian, Järvinen, Matti, Rezzolla, Luciano, Tootle, Samuel, Topolski, Konrad
Format: Article
Language:English
Subjects:
Binary stars
Equations of state
Gravitational waves
Neutron stars
Phase diagrams
Phase transitions
Quantum chromodynamics
Quarks
Solid phases
Star mergers
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Summary:Determining the phase structure of Quantum Chromodynamics (QCD) and its Equation of State (EOS) at densities and temperatures realized inside neutron stars and their mergers is a long-standing open problem. The holographic V-QCD framework provides a model for the EOS of dense and hot QCD, which describes the deconfinement phase transition between a dense baryonic and a quark matter phase. We use this model in fully general relativistic hydrodynamic (GRHD) simulations to study the formation of quark matter and the emitted gravitational wave signal of binary systems that are similar to the first ever observed neutron star merger event GW170817.
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/202227407006