Baryon currents in QCD with compact dimensions

Biagio Lucini, Agostino Patella, Claudio Pica

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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.
Original languageEnglish
JournalPhysical Review D
Issue number12
Pages (from-to)121701
Number of pages4
Publication statusPublished - 2007
Externally publishedYes

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