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On the gauge dependence of vacuum transitions at finite temperature

In principle, observables as for example the sphaleron rate or the tunneling rate in a first-order phase transition are gauge-independent. However, in practice a gauge dependence is introduced in explicit perturbative calculations due to the breakdown of the gradient expansion of the effective actio...

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Detalles Bibliográficos
Autores principales: Garny, Mathias, Konstandin, Thomas
Lenguaje:eng
Publicado: 2012
Materias:
Acceso en línea:https://dx.doi.org/10.1007/JHEP07(2012)189
http://cds.cern.ch/record/1449359