RG flow, Wilson loops and the dilaton tadpole

被引:21
作者
Angelantonj, C
Armoni, A
机构
[1] Ecole Normale Super, Phys Theor Lab, F-75231 Paris 05, France
[2] Ecole Polytech, Ctr Phys Theor, F-91128 Palaiseau, France
关键词
D O I
10.1016/S0370-2693(00)00475-5
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We discuss the role of the dilaton tadpole in the holographic description of non-supersymmetric gauge theories that are conformal in the planar limit. On the string theory side, the presence of the dilaton tadpole modifies the AdS background inducing a logarithmic running and the radius and the dilation. Using the holographic prescription we compute the Wilson loop on the gravity side and find a smooth interpolating potential between asymptotic freedom and confinement, as expected from field theory. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:329 / 336
页数:8
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