Neutrino processes in the $K^0$ condensed phase of color flavor locked quark matter

Details Neutrino processes in the $K^0$ condensed phase of color flavor locked quark matter Neutrino processes in the $K^0$ condensed phase of color flavor locked quark matter

2003-06-03

arxiv.org/abs/nucl-th/0306015v1

Phys.Rev. D68 (2003) 053010

Physics

Nuclear Physics

Nuclear Theory

21 pages, 4 figures

Scientific paper

10.1103/PhysRevD.68.053010

We study weak interactions involving Goldstone bosons in the neutral kaon condensed phase of color flavor locked quark matter. We calculate the rates for the dominant processes that contribute to the neutrino mean free p ath and to neutrino production. A light $K^+$ state, with a mass $\tilde{m}_{K^+} \propto (\Delta/\mu) (\Delta/m_s)(m_d-m_u)$, where $\mu$ and $\Delta$ are the quark chemical potential and superconducting gap respectively, is shown to play an important role. We identify unique characteristics of weak interaction rates in this novel phase and discuss how they might influence neutrino emission in core collapse supernova and neutron stars.

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