Alessandro Drago and Ubaldo Tambini 1999 J. Phys. G: Nucl. Part. Phys. 25 971 doi:10.1088/0954-3899/25/5/302
Alessandro Drago and Ubaldo Tambini
Show affiliationsWe study the equation of state (EOS) of quark matter at finite temperature, using a confinement model in which chiral symmetry remains broken in the deconfined phase. Using the Walecka model to describe the hadronic phase, a deconfinement transition at densities slightly larger than nuclear matter saturation density takes place in pre-supernova matter. The presence of a mixed-phase region softens the EOS and open the possibility of a direct explosion. At larger densities the EOS is stiff enough to support a neutron star compatible with observations.
95.30.Cq Elementary particle processes
97.10.Cv Stellar structure, interiors, evolution, nucleosynthesis, ages
12.38.Aw General properties of QCD (dynamics, confinement, etc.)
Issue 5 (May 1999)
Received 21 September 1998, in final form 30 November 1998
Alessandro Drago and Ubaldo Tambini 1999 J. Phys. G: Nucl. Part. Phys. 25 971
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