T(T)over-bar, J(T)over-bar, T(J)over-bar partition sums from string theory

被引：0

作者：

Hashimoto, Akikazu ^{[1
]}

Kutasov, David ^{[2
,3
]}

机构：

[1] Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA

[2] Univ Chicago, EFI, 5640 S Ellis Ave, Chicago, IL 60637 USA

[3] Univ Chicago, Dept Phys, 5640 S Ellis Ave, Chicago, IL 60637 USA

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2020年 / 02期

关键词：

Conformal Field Theory; Renormalization Group; SPACE;

D O I：

10.1007/JHEP02(2020)080

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：

We calculate the torus partition sum of a general CFT2 with left and right moving conserved currents J and (J) over bar, perturbed by a combination of the irrelevant operators T (T) over bar, J ($T) over bar and T (J) over bar. We use string theory techniques to write it as an integral transform of the partition sum of the unperturbed CFT with chemical potentials for the left and right moving conserved charges. The resulting expression transforms in the right way under the modular group, and reproduces the known spectrum of these models. We also derive a formula for the partition function of deformed CFT2 with non-vanishing chemical potentials.

引用

页数：18

共 50 条

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