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QCD phase transition drives supernova explosion of a very massive star
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abstract
The nature of core-collapse supernova (SN) explosions is yet incompletely understood. The present article revisits the scenario in which the release of latent heat due to a first-order phase transition, from normal nuclear matter to the quark-gluon plasma, liberates the necessary energy to explain observed SN explosions. Here, the role of the metallicity of the stellar progenitor is investigated, comparing a solar metallicity and a low-metallicity case, both having a zero-age main sequence (ZAMS) mass of 75 $M_\odot$. It is found that low-metallicity models belong exclusively to the failed SN branch, featuring the formation of black holes without explosions. It excludes this class of massive star explosions as possible site for the nucleosynthesis of heavy elements at extremely low metallicity, usually associated with the early universe.
Forward citations
Cited by 2 Pith papers
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Strongly interacting matter with criticality induced by modified excluded volume in core-collapse supernova simulations
Modified-excluded-volume EOS with continuous van der Waals phase transition yields CCSN explosions and a several-millisecond neutrino burst, while the same EOS under Gibbs construction fails to explode.
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