Relating non-relativistic string theories
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Publication:2292488
DOI10.1007/JHEP11(2019)071zbMATH Open1429.83091arXiv1907.01663WikidataQ126798937 ScholiaQ126798937MaRDI QIDQ2292488
Author name not available (Why is that?)
Publication date: 3 February 2020
Published in: (Search for Journal in Brave)
Abstract: 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.
Full work available at URL: https://arxiv.org/abs/1907.01663
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