Meissner screening mass in two-flavor quark matter at nonzero temperature

Details Meissner screening mass in two-flavor quark matter at nonzero temperature Meissner screening mass in two-flavor quark matter at nonzero temperature

2006-08-10

arxiv.org/abs/hep-ph/0608109v3

Phys.Rev. D74 (2006) 074019

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 3 figures, minor revisions to text, version to appear in PRD

Scientific paper

10.1103/PhysRevD.74.074019

We calculate the Meissner screening mass of gluons 4--7 in two-flavor quark matter at nonzero temperature. To this end, we study the effective potential of the 2SC/g2SC phases including a vector condensate $$ and calculate the Meissner mass from the potential curvature with respect to $$. We find that the Meissner mass becomes real at the critical temperature which is about the half of the chemical potential mismatch. The phase diagram of the neutral two-flavor color superconductor is presented in the plane of temperature and coupling strength. We indicate the unstable region for gluons 4--7 on the phase diagram.

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