Baryon currents in QCD with compact dimensions
Journal Article
·
· Physical Review. D, Particles Fields
- Physics Department, Swansea University, Singleton Park, Swansea SA2 8PP (United Kingdom)
- Scuola Normale Superiore, Piazza dei Cavalieri 27, 56126 Pisa (Italy)
- Physics Department, Brookhaven National Laboratory, Upton, New York 11973 (United States)
On a compact space with nontrivial 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 a physical signature for this phenomenon is a nonzero baryonic current wrapping around the compact directions. The persistence of this current beyond the perturbative regime is checked by lattice simulations.
- OSTI ID:
- 20933311
- Journal Information:
- Physical Review. D, Particles Fields, Vol. 75, Issue 12; Other Information: DOI: 10.1103/PhysRevD.75.121701; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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