Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-03-21
Phys.Rev.D64:014035,2001
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, no figure
Scientific paper
10.1103/PhysRevD.64.014035
We compare the BCS and Overhauser effect as competing mechanisms for the destabilization of the quark Fermi surface at asymptotically large chemical potential, for the special case of 2 space and 1 time dimension. We use the framework of perturbative one-gluon exchange, which dominates the pairing at $\mu/g^2\gg 1$. With screening in matter, we show that in the weak coupling limit the Overhauser effect can compete with the BCS effect only for a sufficiently large number of colors. Both the BCS and the Overhauser gaps are of order $g^{4}/\mu$ in Landau gauge.
Jaikumar Prashanth
Zahed Ismail
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