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Non-Relativistic Strings and Limits of the AdS/CFT Correspondence

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Original languageEnglish
Article number086019
JournalPhysical Review D, Particles and fields
Volume96
DOIs
Publication statusPublished - 24 Oct 2017
Externally publishedYes

Abstract

Using target space null reduction of the Polyakov action we find a novel covariant action for strings moving in a torsional Newton-Cartan geometry. Sending the string tension to zero while rescaling the Newton-Cartan clock 1-form, so as to keep the string action finite, we obtain a non-relativistic string moving in a new type of non-Lorentzian geometry that we call $U(1)$-Galilean geometry. We apply this to strings on $AdS_5 \times S^5$ for which we show that the zero tension limit is realized by the Spin Matrix theory limits of the AdS/CFT correspondence. This is closely related to limits of spin chains studied in connection to integrability in AdS/CFT. The simplest example gives a covariant version of the Landau-Lifshitz sigma-model.

    Research areas

  • hep-th

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