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Phys. Rev. D 74, 074019 (2006) [4 pages]Meissner screening mass in two-flavor quark matter at nonzero temperature
Received 14 August 2006; published 25 October 2006
We calculate the Meissner screening mass of gluons 47 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 <gAz6> and calculate the Meissner mass from the potential curvature with respect to <gAz6>. 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 47 on the phase diagram. ©2006 The American Physical Society REFERENCES (23)
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