Parity breaking at high temperature and density - INSPIRE

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Parity breaking at high temperature and density

Jul 6, 1992

26 pages

Published in:

Nucl.Phys.B 393 (1993) 633-657

e-Print:

hep-lat/9205022 [hep-lat]

DOI:

10.1016/0550-3213(93)90076-2

Report number:

NBI-HE-92-20,
CERN-TH-6508-92

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Abstract:

We investigate the question of parity breaking in three-dimensional Euclidean

SU(2)

gauge-Higgs theory by Monte Carlo simulations. We observe no sign of spontaneous parity breaking in the behaviour of both local and non-local gauge invariant operators. However, the presence of parity odd terms in the action can induce a phase transition to a parity odd ground state which is characterized by a Chern-Simons like condensate. The implications for various proposed scenarios of fermion number non-conservation is discussed.

gauge field theory: SU(2)
Higgs model
dimension: 3
parity: violation
violation: parity
fermion number: violation
critical phenomena
lattice field theory
Chern-Simons term: condensation
numerical calculations: Monte Carlo

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