New critical point induced by the axial anomaly in dense QCD

Tetsuo Hatsuda; Motoi Tachibana; Naoki Yamamoto; Gordon Baym

doi:10.1103/PhysRevLett.97.122001

New critical point induced by the axial anomaly in dense QCD

Tetsuo Hatsuda, Motoi Tachibana, Naoki Yamamoto, Gordon Baym

Department of Physics

Research output: Contribution to journal › Article › peer-review

148 Citations (Scopus)

Abstract

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.

Original language	English
Article number	122001
Journal	Physical review letters
Volume	97
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevLett.97.122001
Publication status	Published - 2006

ASJC Scopus subject areas

Physics and Astronomy(all)

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