New Phases of SU(3) and SU(4) at Finite Temperature

Abstract

The addition of an adjoint Polyakov loop term to the action of a pure gauge theory at finite temperature leads to new phases of SU(N) gauge theories. For SU(3), a new phase is found which breaks Z(3) symmetry in a novel way; for SU(4), the new phase exhibits spontaneous symmetry breaking of Z(4) to Z(2), representing a partially confined phase in which quarks are confined, but diquarks are not. The overall phase structure and thermodynamics is consistent with a theoretical model of the effective potential for the Polyakov loop based on perturbation theory.

18 pages, 17 figures, RevTeX 4

References in corpus (3)

• Phase Structure of Z(3)-Polyakov-Loop Models
• Baryon currents in QCD with compact dimensions
• More about QCD on compact spaces

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