Conference Paper/Proceeding/Abstract 833 views
Spontaneous breaking of discrete symmetries in QCD on a small volume
Agostino Patella,
Claudio Pica,
Biagio Lucini 
Volume: "957", Pages: 229 - 232
Swansea University Author:
Biagio Lucini
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DOI (Published version): 10.1063/1.2823768
Abstract
In a compact space with non-trivial cycles, for sufficiently small values of the compact dimensions, charge conjugation (C), spatial reflection (P) and time reversal (T) are spontaneously broken in QCD. The order parameter for the symmetry breaking is the trace of the Wilson line wrapping around the...
| Published: |
2007
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| Online Access: |
http://inspirehep.net/record/760080 |
| URI: | https://cronfa.swan.ac.uk/Record/cronfa27929 |
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| Abstract: |
In a compact space with non-trivial cycles, for sufficiently small values of the compact dimensions, charge conjugation (C), spatial reflection (P) and time reversal (T) are spontaneously broken in QCD. The order parameter for the symmetry breaking is the trace of the Wilson line wrapping around the compact dimension, which acquires an imaginary part in the broken phase. We show that a physical signature for the symmetry breaking is a persistent baryonic current wrapping in the compact directions. The existence of such a current is derived analytically at first order in perturbation theory and confirmed in the non-perturbative regime by lattice simulations. |
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| College: |
Faculty of Science and Engineering |
| Start Page: |
229 |
| End Page: |
232 |