Wilson loops in holographic models with a gluon condensate

被引:3
|
作者
Kopnin, P. N. [1 ]
Krikun, A.
机构
[1] MIPT, Moscow, Russia
来源
PHYSICAL REVIEW D | 2011年 / 84卷 / 06期
关键词
STRING THEORY; PHYSICS;
D O I
10.1103/PhysRevD.84.066002
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The aim of this work is to study the holographic dual to the gauge theory with a nonzero gluon condensate. We check for the consistency of the holographic way of describing the condensate and calculate the expectation value of a small Wilson loop in the presence of the gluon condensate, thus obtaining the relevant coefficient in the operator product expansion of the small loop in different holographic models. We also study the effect of the condensate on the Gross-Ooguri phase transition in the correlator of two circular Wilson loops in parallel and concentric configurations. In the numerical study of the concentric case, we find that the phase transition changes its order when the size of the loops is of order of the gluon condensate. We report this change of the phase transition order to be a new effect in Wilson loop correlator.
引用
收藏
页数:12
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