Conference Paper/Proceeding/Abstract 959 views
Topology and confinement in SU(N) gauge theories
Nuclear Physics B - Proceedings Supplements, Volume: "106", Pages: 685 - 687
Swansea University Author:
Biagio Lucini
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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...
| Published in: | Nuclear Physics B - Proceedings Supplements |
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| ISSN: | 09205632 |
| Published: |
2001
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| Online Access: |
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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. |
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| College: |
Faculty of Science and Engineering |
| Start Page: |
685 |
| End Page: |
687 |