More on analytic bootstrap for O(N) models

被引:34
作者
Dey, Parijat [1 ]
Kaviraj, Apratim [1 ]
Sen, Kallol [1 ]
机构
[1] Indian Inst Sci, Ctr High Energy Phys, CV Raman Ave, Bangalore 560012, Karnataka, India
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2016年 / 06期
关键词
1/N Expansion; AdS-CFT Correspondence; Gauge-gravity correspondence; Global Symmetries; OPERATOR PRODUCT EXPANSION; QUANTUM-FIELD-THEORY; CFT;
D O I
10.1007/JHEP06(2016)136
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
This note is an extension of a recent work on the analytical bootstrapping of O(N) models. An additonal feature of the O(N) model is that the OPE contains trace and antisymmetric operators apart from the symmetric-traceless objects appearing in the OPE of the singlet sector. This in addition to the stress tensor (T-mu nu) and the phi(i)phi(i) scalar, we also have other minimal twist operators as the spin-1 current J(mu) and the symmetric-traceless scalar in the case of O(N). We determine the effect of these additional objects on the anomalous dimensions of the corresponding trace, symmetric-traceless and antisymmetric operators in the large spin sector of the O(N) model, in the limit when the spin is much larger than the twist. As an observation, we also verified that the leading order results for the large spin sector from the epsilon-expansion are an exact match with our n = 0 case. A plausible holographic setup for the special case when N = 2 is also mentioned which mimics the calculation in the CFT.
引用
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页数:24
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