Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-07-31
Phys.Rev. D74 (2006) 074005
Physics
High Energy Physics
High Energy Physics - Phenomenology
16 pages, 5 figures, revtex4 style. Version accepted for publication in Phys. Rev. D
Scientific paper
10.1103/PhysRevD.74.074005
We discuss specific heat and neutrino emissivity due to direct Urca processes for quark matter in the color superconductive Larkin-Ovchinnikov-Fulde-Ferrell (LOFF) phase of Quantum-Chromodynamics. We assume that the three light quarks $u, d, s$ are in a color and electrically neutral state and interact by a four fermion Nambu-Jona Lasinio coupling. We study a LOFF state characterized by a single plane wave for each pairing. From the evaluation of neutrino emissivity and fermionic specific heat, the cooling rate of simplified models of compact stars with a quark core in the LOFF state is estimated.
Anglani Roberto
Mannarelli Massimo
Nardulli Giuseppe
Ruggieri Marco
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