AN EFFECTIVE 3-D RIGID STRING AT THETA=PI

被引：2
|
作者：
PAWELCZYK, J
机构：
来源：
MODERN PHYSICS LETTERS A | 1994年 / 9卷 / 35期
关键词：
D O I：
10.1142/S021773239400304X
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
An effective sigma model describing behavior of the 3-D rigid string with a theta-term at theta = pi is proposed. It contains nonperturbative corrections resulting from summation over different genera of the 2-D surfaces. The effective theory is the SU(2) WZW model coupled to the Nambu-Goto action. RG analysis shows the existence of an ir fixed point at which the normal to the surface has long range correlations. A similar model can describe critical behavior of the 3-D YM fields or the Ising model.
引用
收藏
页码：3229 / 3234
页数：6
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