A LATTICE MONTE-CARLO STUDY OF INVERSE SYMMETRY-BREAKING IN A 2-SCALAR MODEL IN 3 DIMENSIONS

Authors
BIMONTE G INIGUEZ D TARANCON A ULLOD CL
Citation
G. Bimonte et al., A LATTICE MONTE-CARLO STUDY OF INVERSE SYMMETRY-BREAKING IN A 2-SCALAR MODEL IN 3 DIMENSIONS, Nuclear physics. B, 515(1-2), 1998, pp. 345-360
Citations number
48
Categorie Soggetti
Physics, Particles & Fields
Journal title
Nuclear physics. B → ACNP
ISSN journal
05503213
Volume
515
Issue
1-2
Year of publication
1998
Pages
345 - 360
Database
ISI
SICI code
0550-3213(1998)515:1-2<345:ALMSOI>2.0.ZU;2-O
Abstract
We carry a Monte Carlo study of the coupled two-scalar lambda phi(1)(2 ) phi(2)(2) model in three dimensions. We End no trace of inverse symm etry breaking in the region of negative A's for which the one-loop eff ective potential predicts this phenomenon. Moreover, for lambda's nega tive enough, but still in the stability region for the potential, one of the transitions turns out to be of first order, both for zero and f inite temperature. (C) 1998 Elsevier Science B.V.