Diffusion of neutrinos in proto-neutron star matter with quarks

Andrew W. Steiner; Madappa Prakash; James M. Lattimer

doi:10.1016/S0370-2693(01)00434-8

Diffusion of neutrinos in proto-neutron star matter with quarks

Andrew W. Steiner
, Madappa Prakash
, James M. Lattimer

Physics and Astronomy

Stony Brook University

Research output: Contribution to journal › Article › peer-review

37 Scopus citations

Abstract

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.

Original language	English
Pages (from-to)	10-18
Number of pages	9
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	509
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(01)00434-8
State	Published - Jun 7 2001

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title = "Diffusion of neutrinos in proto-neutron star matter with quarks",

abstract = "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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AU - Prakash, Madappa

AU - Lattimer, James M.

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N2 - 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.

AB - 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.

UR - https://www.scopus.com/pages/publications/0035821892

U2 - 10.1016/S0370-2693(01)00434-8

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IS - 1-2

ER -

Diffusion of neutrinos in proto-neutron star matter with quarks

Abstract

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