A Diagrammatic Approach to Crystalline Color Superconductivity

Details A Diagrammatic Approach to Crystalline Color Superconductivity A Diagrammatic Approach to Crystalline Color Superconductivity

2001-01-08

arxiv.org/abs/hep-ph/0101067v1

Phys.Rev. D64 (2001) 014024

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages. 2 eps figures

Scientific paper

10.1103/PhysRevD.64.014024

We present a derivation of the gap equation for the crystalline color superconducting phase of QCD which begins from a one-loop Schwinger-Dyson equation written using a Nambu-Gorkov propagator modified to describe the spatially varying condensate. Some aspects of previous variational calculations become more straightforward when rephrased beginning from a diagrammatic starting point. This derivation also provides a natural base from which to generalize the analysis to include quark masses, nontrivial crystal structures, gluon propagation at asymptotic densities, and nonzero temperature. In this paper, we analyze the effects of nonzero temperature on the crystalline color superconducting phase.

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