Quark-hadron phase transition in protoneutron stars

Details Quark-hadron phase transition in protoneutron stars Quark-hadron phase transition in protoneutron stars

Jul 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phrvd..52..661p&link_type=abstract

Physical Review D (Particles, Fields, Gravitation, and Cosmology), Volume 52, Issue 2, 15 July 1995, pp.661-665

Physics

85

Neutron Stars, Quark-Gluon Plasma, Nuclear Matter, Supernovae

Scientific paper

We investigate the role of trapped neutrinos on the composition of protoneutron stars with quark-hadron phase transitions. Trapped neutrinos shift the transition to higher baryon densities and also reduce the extent of a mixed phase in comparison to neutrino-free matter. Thus, a mixed phase of baryons and quarks is more likely to occur after a neutrino diffusion time scale of several seconds. In contrast with stars containing only nucleons and leptons, stars with quarks have larger maximum masses when neutrinos are trapped than for neutrino-free stars. Hence, black hole formation is likely delayed for the neutrino diffusion time scale when quarks are present.

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