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Confinement: $G_2$ group case

Cossu, Guido and D'Elia, Massimo and Giacomo, Adriano Di and Lucini, Biagio and Pica, Claudio (2007) Confinement: $G_2$ group case.

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SUMMARY The gauge group being centreless, $G_2$ gauge theory is a good laboratory for studying the role of the centre of the group for colour confinement in Yang-Mills gauge theories. In this paper, we investigate $G_2$ pure gauge theory at finite temperature on the lattice. By studying the finite size scaling of the plaquette, the Polyakov loop and their susceptibilities, we show that a deconfinement phase transition takes place. The analysis of the pseudocritical exponents give strong evidence of the deconfinement transition being first order. Implications of our findings for scenarios of colour confinement are discussed.

Item Type: Article
Additional Information: Imported from arXiv
Uncontrolled Keywords: Proceedings of the The XXV International Symposium on Lattice Field Theory, Regensburg August 2007
Subjects: Area02 - Scienze fisiche > FIS/02 - Fisica teorica, modelli e metodi matematici
Divisions: Dipartimenti (from 2013) > DIPARTIMENTO DI FISICA
Depositing User: dott.ssa Sandra Faita
Date Deposited: 08 Aug 2013 12:25
Last Modified: 08 Aug 2013 12:25
URI: http://eprints.adm.unipi.it/id/eprint/1596

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