Baryon currents in QCD with compact dimensions

Details Baryon currents in QCD with compact dimensions Baryon currents in QCD with compact dimensions

2007-02-20

arxiv.org/abs/hep-th/0702167v2

Phys.Rev.D75:121701,2007

Physics

High Energy Physics

High Energy Physics - Theory

Minor changes, typos corrected; version accepted for publication in Phys. Rev. D

Scientific paper

10.1103/PhysRevD.75.121701

On a compact space with non-trivial cycles, for sufficiently small values of the radii of the compact dimensions, SU(N) gauge theories coupled with fermions in the fundamental representation spontaneously break charge conjugation, time reversal and parity. We show at one loop in perturbation theory that physical signature for this phenomenon is a non-zero baryonic current wrapping around the compact directions. The persistence of this current beyond the perturbative regime is checked by lattice simulations.

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