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Topology and confinement in SU(N) gauge theories / M. Teper, Biagio Lucini

Nuclear Physics B - Proceedings Supplements, Volume: "106", Pages: 685 - 687

Swansea University Author: Biagio Lucini

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Abstract

The large N limit of SU(N) gauge theories in 3+1 dimensions is investigated on the lattice by extrapolating results obtained for $2 \le N \le 5$. A numerical determination of the masses of the lowest-lying glueball states and of the topological susceptibility in the limit $N\to\infty$ is provided. R...

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Published in: Nuclear Physics B - Proceedings Supplements
ISSN: 09205632
Published: 2001
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URI: https://cronfa.swan.ac.uk/Record/cronfa27959
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Abstract: The large N limit of SU(N) gauge theories in 3+1 dimensions is investigated on the lattice by extrapolating results obtained for $2 \le N \le 5$. A numerical determination of the masses of the lowest-lying glueball states and of the topological susceptibility in the limit $N\to\infty$ is provided. Ratios of the tensions of stable k-strings over the tension of the fundamental string are investigated in various regimes and the results are compared with expectations based on several scenarios -- in particular MQCD and Casimir scaling. While not conclusive at zero temperature in D=3+1, in the other cases investigated our data seem to favour the latter.
College: College of Science
Start Page: 685
End Page: 687