Effect of the Haar measure on the finite temperature effective potential of SU(2) Yang-Mills theory

K. Sailer, A. Schäfer, W. Greiner

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Including the Haar measure we show that the effective potential of the regularized SU(2) Yang-Mills theory has a minimum at vanishing Wilson-line W = 0 for strong coupling, whereas it develops two degenerate minima close to W = ±1 for weak coupling. This suggests that the non-abelian character of SU(2) as contained in the Haar measure might be responsible for confinement.

Original languageEnglish
Pages (from-to)234-237
Number of pages4
JournalPhysics Letters B
Issue number2
Publication statusPublished - May 11 1995


ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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