The massless string spectrum on AdS3 x S3 from the supergroup

被引：18

作者：

Gaberdiel, Matthias R. ^{[1
]}

Gerigk, Sebastian ^{[1
]}

机构：

[1] Swiss Fed Inst Technol, Inst Theoret Phys, CH-8093 Zurich, Switzerland

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2011年 / 10期

基金：

瑞士国家科学基金会;

关键词：

Conformal Field Models in String Theory; Space-Time Symmetries; BRST Symmetry; SL(2; R) WZW MODEL; SUPERGRAVITY; QUANTIZATION;

D O I：

10.1007/JHEP10(2011)045

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：

String theory on AdS(3) x S-3 is studied in the hybrid formulation. We give a detailed description of the PSL(2 vertical bar 2) supergroup WZW model that underlies the background with pure NS-NS flux, and determine the BRST-cohomology corresponding to the massless string states. The resulting spectrum is shown to match exactly with the expected supergravity answer, including the sectors with small KK momentum on the sphere.

引用

页数：23

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