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Nucleation of quark matter in protoneutron star matter

By B. W. Mintz, E. S. Fraga, G. Pagliara and J. Schaffner-Bielich

Abstract

The phase transition from hadronic to quark matter may take place already during the early post-bounce stage of core collapse supernovae when matter is still hot and lepton rich. If the phase transition is of first order and exhibits a barrier, the formation of the new phase occurs via the nucleation of droplets. We investigate the thermal nucleation of a quark phase in supernova matter and calculate its rate for a wide range of physical parameters. We show that the formation of the first droplet of a quark phase might be very fast and therefore the phase transition to quark matter could play an important role in the mechanism and dynamics of supernova explosions

Topics: phase transition, quark matter, nucleation theory
Year: 2010
DOI identifier: 10.1103/PhysRevD.81.123012
OAI identifier: oai:iris.unife.it:11392/1509147
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