New Critical Point Induced by the Axial Anomaly in Dense QCD

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We study the interplay between chiral and diquark condensates within the framework of the Ginzburg-Landau free energy, and classify possible phase structures of two and three-flavor massless QCD. The QCD axial anomaly acts as an external field applied to the chiral condensate in a color superconductor and leads to a crossover between the broken chiral symmetry and the color superconducting phase, and, in particular, to a new critical point in the QCD phase diagram.
4 pages, 4 figures included, version to appear in Phys. Rev. Lett

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High Energy Physics - Phenomenology, Other Condensed Matter, Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/111303

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/0605018
 http://arxiv.org/abs/hep-ph/0605018
 Phys.Rev.Lett. 97 (2006) 122001
 doi:10.1103/PhysRevLett.97.122001

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