Relating non-relativistic string theories

Troels Harmark*, Jelle Hartong, Lorenzo Menculini, Niels A. Obers, Gerben Oling

*Corresponding author af dette arbejde
30 Citationer (Scopus)
2 Downloads (Pure)

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.

OriginalsprogEngelsk
Artikelnummer071
TidsskriftJournal of High Energy Physics
Vol/bind2019
Udgave nummer11
Antal sider32
ISSN1029-8479
DOI
StatusUdgivet - 1 nov. 2019

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