Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2002-12-19
Phys.Lett. B563 (2003) 173-178
Physics
High Energy Physics
High Energy Physics - Theory
4 pages, REVTEX, no figures
Scientific paper
10.1016/S0370-2693(03)00699-3
The lower order terms of the heat kernel expansion at coincident points are computed in the context of finite temperature quantum field theory for flat space-time and in the presence of general gauge and scalar fields which may be non Abelian and non stationary. The computation is carried out in the imaginary time formalism and the result is fully consistent with invariance under topologically large and small gauge transformations. The Polyakov loop is shown to play a fundamental role.
Arriola Enrique Ruiz
Megias Eugenio
Salcedo L. L.
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