SU(N) gauge theories for all N
classification
✦ hep-lat
keywords
dimensionsgaugetheoriescalculationscloseconfirmingcouplingdiagram-based
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We show that SU(N) gauge theories in 2+1 dimensions are close to N=\infty for N \geq 2. The dimensionful coupling, g^2, is proportional to 1/N, at large N, confirming the usual diagram-based expectation. Preliminary calculations in 3+1 dimensions indicate that the same is true there.
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