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High Density Quark Matter and the Renormalization Group in QCD with two and three flavors
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We consider the most general four fermion operators in QCD for two and three massless flavors and study their renormalization in the vicinity of the Fermi surface. We show that, asymptotically, the largest coupling corresponds to scalar diquark condensation. Asymptotically the direct and iterated (molecular) instanton interactions become equal. We provide simple arguments for the form of the operators that diagonalize the evolution equations. Some solutions of the flow equations exhibit instabilities arising out of purely repulsive interactions.
Forward citations
Cited by 3 Pith papers
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Renormalization group analysis of color superconductivity revisited
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