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Abstract: The Higgs SU2 model with fixed Higgs length is usually believed to have twodifferent phases at high gauge coupling \beta, separated by a line of firstorder transitions but not distinuguished by any typical symmetry associatedwith a local order parameter, as first proved by Fradkin and Shenker. We showthat in regions of the parameter space where it is usually supposed to be afirst order phase transition only a smooth crossover is in fact present.



Autor: C. Bonati, G. Cossu, A. D'Alessandro, M. D'Elia, A. Di Giacomo

Fuente: https://arxiv.org/







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