Strange matter in core-collapse supernovae

We discuss the possible impact of strange quark matter on the evolution of core-collapse supernovae with emphasis on low critical densities for the quark-hadron phase transition. For such cases the hot proto-neutron star can collapse to a more compact hybrid star configuration hundreds of millisecon...

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Hauptverfasser: Sagert, Irina (VerfasserIn) , Hempel, Matthias (VerfasserIn) , Schaffner-Bielich, Jürgen (VerfasserIn)
Dokumenttyp: Article (Journal) Konferenzschrift
Sprache:Englisch
Veröffentlicht: 2012
In: Acta physica Polonica. B, Particle physics and field theory, nuclear physics, theory of relativity
Year: 2011, Jahrgang: 43, Heft: 4, Pages: 741-748
ISSN:1509-5770
DOI:10.5506/APhysPolB.43.741
Schlagworte:
Online-Zugang:Verlag, kostenfrei, Volltext: http://dx.doi.org/10.5506/APhysPolB.43.741
Verlag, kostenfrei, Volltext: https://www.actaphys.uj.edu.pl/fulltext?series=Reg&vol=43&page=741
Volltext
Verfasserangaben:I. Sagert, T. Fischer, M. Hempel, G. Pagliara, J. Schaffner-Bielich, F.-K. Thielemann, M. Liebendörfer

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520 |a We discuss the possible impact of strange quark matter on the evolution of core-collapse supernovae with emphasis on low critical densities for the quark-hadron phase transition. For such cases the hot proto-neutron star can collapse to a more compact hybrid star configuration hundreds of milliseconds after core-bounce. The collapse triggers the formation of a second shock wave. The latter leads to a successful supernova explosion and leaves an imprint on the neutrino signal. These dynamical features are discussed with respect to their compatibility with recent neutron star mass measurements which indicate a stiff high density nuclear matter equation of state. 
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