Diffusion of neutrinos in proto-neutron star matter with quarks

被引：35
|
作者：
Steiner, AW [1 ]
Prakash, M [1 ]
Lattimer, JM [1 ]
机构：
[1] SUNY Stony Brook, Dept Phys & Astron, Stony Brook, NY 11794 USA
来源：
PHYSICS LETTERS B | 2001年 / 509卷 / 1-2期
关键词：
D O I：
10.1016/S0370-2693(01)00434-8
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：10 / 18
页数：9
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