Remarks on the dynamical mass generation in confining Yang-Mills theories

AUTOR(ES)

Sorella, S. P.

FONTE

Brazilian Journal of Physics

DATA DE PUBLICAÇÃO

2006-03

RESUMO

The dynamical mass generation for gluons is discussed in Euclidean Yang-Mills theories supplemented with a renormalizable mass term. The mass parameter is not free, being determined in a self-consistent way through a gap equation which obeys the renormalization group. The example of the Landau gauge is worked out explicitly at one loop order. A few remarks on the issue of the unitarity are provided.

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