The Color-Flavor Locking Phase at T \not =0$

Details The Color-Flavor Locking Phase at T \not =0$ The Color-Flavor Locking Phase at T \not =0$

1999-09-17

arxiv.org/abs/hep-ph/9909419v2

Phys.Lett. B469 (1999) 213-219

Physics

High Energy Physics

High Energy Physics - Phenomenology

LateX, p. 14. Final version accepted for publication in Physics Letters

Scientific paper

10.1016/S0370-2693(99)01274-5

We study the color-flavor locked phase of QCD with three massless quarks at high chemical potential and small non zero temperatures. We make use of the recently introduced effective action to describe such a phase. We obtain the exact order T^2 behaviour of the condensates and of the pressure by formally comparing the derivative from the QCD functional with symmetry breaking to that from the effective lagrangian with external sources, respecting the residual Z_2 invariance of the color-flavor locked phase. From these exact results, but now at a very tentative level of conjecture, we are lead to think that the phase structure of QCD at very high density consists of two superconducting phases and a symmetric one.

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