Phase structure of the generalized two-dimensional Yang-Mills theory on sphere

被引：0

作者：

Alimohammadi M. ^{[1
]}

Tofighi A. ^{[2
,3
]}

机构：

[1] Department of Physics, University of Tehran, North-Kargar Ave, Tehran

[2] Department of Physics, University of Mazandaran, Babolsar

[3] st. Studs. in Theor. Phys. and Math., P.O. Box 19395-5746, Tehran

来源：

The European Physical Journal C - Particles and Fields | 1999年 / 8卷 / 4期

关键词：

General Expression; Density Function; Phase Transition; Specific Model; Free Energy;

D O I：

10.1007/s100529900009

中图分类号：

学科分类号：

摘要：

We find a general expression for the free energy of G(ø) = ø2k generalized two-dimensional (2D) Yang-Mills theory in the strong (A > Ac) region for large N. We also show that in this region, the density function of Young tableau of these models is a three-cut problem. In the specific ø6 model, we show that the theory has a third order phase transition, like theø2 (YM2) and ø4 models. We note problems for cases where k ≥ 4, and at the end, examine the phase structure of the ø2 + gø4 model for the g ≤ A/4 region.

引用

页码：711 / 717

页数：6

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