On the large N limit of SU(N) lattice gauge theories in five dimensions

被引：0
作者：
Nikos Irges
George Koutsoumbas
机构：
[1] National Technical University of Athens,Department of Physics
来源：
Journal of High Energy Physics | / 2012卷
关键词：
Wilson; ’t Hooft and Polyakov loops; Duality in Gauge Field Theories; Lattice Gauge Field Theories; 1/N Expansion;
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摘要：
We develop the necessary tools for computing fluctuations around a mean-field background in the context of SU(N) lattice gauge theories in five dimensions. In particular, expressions for the scalar observable and the Wilson Loop are given. As an application, using these observables we compute a certain quantity k5 that can be viewed as Coulomb’s constant in five dimensions. We show that this quantity becomes independent of N in the large N limit. Furthermore, the numerical value of k5 we find for SU(∞) deviates by 17 % from its value predicted by holography.
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