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

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

2007-07-12

arxiv.org/abs/0707.1869v2

Phys.Rev.D77:125030,2008

Physics

High Energy Physics

High Energy Physics - Lattice

18 pages, 17 figures, RevTeX 4

Scientific paper

10.1103/PhysRevD.77.125030

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.

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