Dependence of the critical temperature on the Higgs field reparametrization

Details Dependence of the critical temperature on the Higgs field reparametrization Dependence of the critical temperature on the Higgs field reparametrization

2008-12-04

arxiv.org/abs/0812.0955v1

J.Phys.G36:115001,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

revtex, 12 pages, 2 eps figures

Scientific paper

10.1088/0954-3899/36/11/115001

We show that, despite of the reparametrization symmetry of the Lagrangian describing the interaction between a scalar field and gauge vector bosons, the dynamics of the Higgs mechanism is really affected by the representation gauge chosen for the Higgs field. Actually, we find that, varying the parametrization for the two degrees of freedom of the complex scalar field, we obtain different expressions for the Higgs mass: in its turn this entails different expressions for the critical temperatures, ranging from zero to a maximum value, as well as different expressions for other basic thermodynamical quantities.

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