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Large-N Quenching in the Kazakov-Migdal Model | | I.Ya. Aref’eva
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20 Dec 1992 | | Journal: | Phys.Lett. B308 (1993) 340-346 | | Subject: | hep-th | | Abstract: | To study the behavior of the Kazakov-Migdal at large N the quenched momentum prescription with constraints for treating the large N limit of gauge theories is used. It is noted that it leads to a quartic dependence of an action on unitary matrix instead of a quadratic dependence discussed in previous considerations. Therefore the model is not exactly solvable in the weak coupling limit. An approximation procedure for investigation of the model is outlined. In this approximation an indication to a phase transition for $d<4,8$ with $eta_{cr}=frac{1}{d-4,8}$ is obtained. | | Source: | arXiv, hep-th/9301081 | | Services: | Forum | Review | PDF | Favorites | |
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