Mixed Kaon Condensation in CFL Matter

Details Mixed Kaon Condensation in CFL Matter Mixed Kaon Condensation in CFL Matter

2002-02-22

arxiv.org/abs/hep-ph/0202208v2

Phys.Rev. D66 (2002) 034010

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, 4 figures

Scientific paper

10.1103/PhysRevD.66.034010

Previous work on high-density QCD suggests that the ground state configuration in the presence of a non-zero neutrino chemical potential consists of CFL matter plus a homogenous condensate of neutral and positive kaons. We consider here the stability of this homogenous configuration toward the production of a charge-separated mixed phase, and find that the system is indeed stable against the production of such a heterogenous configuration. We identify the critical value of the fine structure constant which would allow for phase separation. We also derive dispersion relations for the low-lying excitations above the kaon-condensed ground state and discuss their possible phenomenological implications.

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