DIFFICULTIES IN INDUCING A GAUGE-THEORY AT LARGE N

被引：3
|
作者：
BALAKRISHNA, BS
机构：
[1] Department of Physics, CB 390, University of Colorado, Boulder
来源：
PHYSICAL REVIEW D | 1994年 / 49卷 / 01期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1103/PhysRevD.49.R24
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The recently proposed Kazakov-Migdal model appears to be trivial as an induced gauge theory at large N, at least in the strong coupling regime. It is enough to know only the trivial Wilson loops that are treelike, just a constant part of the induced gauge action, to compute the free energy at large N. This is a consequence of the fact that the model is solvable by a saddle-point method that is known to sum only the tree graphs.
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页码：R24 / R27
页数：4
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