Diffusion of Neutrinos in Proto-Neutron Star Matter with Quarks

Details Diffusion of Neutrinos in Proto-Neutron Star Matter with Quarks Diffusion of Neutrinos in Proto-Neutron Star Matter with Quarks

2001-01-31

arxiv.org/abs/astro-ph/0101566v1

Phys.Lett. B509 (2001) 10-18

Astronomy and Astrophysics

Astrophysics

15 pages including 3 figures

Scientific paper

10.1016/S0370-2693(01)00434-8

Neutrino opacities important in the evolution of a proto-neutron star containing quark matter are studied. The results for pure quark matter are compared with limiting expressions previously derived, and are generalized to the temperatures, neutrino degeneracies and lepton contents encountered in a proto-neutron star's evolution. We find that the appearance of quarks in baryonic matter drastically reduces the neutrino opacity for a given entropy, the reduction being sensitive to the thermodynamic conditions in the mixed quark-hadron phase.

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