Two-flavor QCD phases and condensates at finite isospin chemical potential

Details Two-flavor QCD phases and condensates at finite isospin chemical potential Two-flavor QCD phases and condensates at finite isospin chemical potential

2006-03-30

arxiv.org/abs/hep-ph/0603252v4

Phys.Rev.C75:035201,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages. 5 figures, to be published in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.75.035201

We study the phase structure and condensates of two-flavor QCD at finite isospin chemical potential in the framework of a confining, Dyson-Schwinger equation model. We find that the pion superfluidity phase is favored at high enough isospin chemical potential. A new gauge invariant mixed quark-gluon condensate induced by isospin chemical potential is proposed based on Operator Product Expansion. We investigate the sign and magnitude of this new condensate and show that it's an important condensate in QCD sum rules at finite isospin density.

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