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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:

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DOI (Published version): 10.1016/S0920-5632(01)01816-3

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 09205632 2001 https://cronfa.swan.ac.uk/Record/cronfa27959 No Tags, Be the first to tag this record!
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. Faculty of Science and Engineering 685 687