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Topology and Confinement in SU(N) Gauge Theories

B. Lucini·M. Teper
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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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B. Lucini, M. Teper. 2001-10-01. Topology and Confinement in SU(N) Gauge Theories. https://doi.org/10.1016/s0920-5632(01)01816-3

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