Das, Sumit R. ; Wadia, Spenta R. (1982) Translation invariance and a reduced model for summing planar diagrams in QCD Physics Letters B, 117 (3-4). pp. 228-232. ISSN 0370-2693
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Official URL: http://dx.doi.org/10.1016/0370-2693(82)90552-4
Related URL: http://dx.doi.org/10.1016/0370-2693(82)90552-4
Abstract
A reduction of degrees of freedom at large N is performed by representing space-time translations in the internal symmetry group. The reduced model for the U(∞) gauge theory is constructed in a translation invariant gauge. The rule is U(x, x+μ)→Dk(x)VμDk+(x) where Vμ belong to the coset U(N)/U(1)N and Dk(x) is a diagonal plane-wave matrix representing translations. We show that at large N, the planar perturbation expansion of the gauge theory is identical to that of the reduced model.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 8695 |
| Deposited On: | 28 Oct 2010 11:02 |
| Last Modified: | 31 May 2011 06:05 |
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