期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 11, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP11(2019)071
关键词
AdS-CFT Correspondence; Conformal Field Models in String Theory; Gauge-gravity correspondence; String Duality
资金
- Royal Society University Research Fellowship Non-Lorentzian Geometry in Holography [UF160197]
- project Towards a deeper understanding of black holes with non-relativistic holography of the Independent Research Fund Denmark [DFF-6108-00340]
- Villum Foundation Experiment project [00023086]
- Niels Bohr Institute
- INFN of Perugia
- Perugia University
Non-relativistic string theories promise to provide simpler theories of quantum gravity as well as tractable limits of the AdS/CFT correspondence. However, several apparently distinct non-relativistic string theories have been constructed. In particular, one approach is to reduce a relativistic string along a null isometry in target space. Another method is to perform an appropriate large speed of light expansion of a relativistic string. Both of the resulting non-relativistic string theories only have a well-defined spectrum if they have nonzero winding along a longitudinal spatial direction. In the presence of a Kalb-Ramond field, we show that these theories are equivalent provided the latter direction is an isometry. Finally, we consider a further limit of non-relativistic string theory that has proven useful in the context of AdS/CFT (related to Spin Matrix Theory). In that case, the worldsheet theory itself becomes non-relativistic and the dilaton coupling vanishes.
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