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The TT* deformation at large central charge

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arxiv 1803.00100 v2 pith:GBWNO2G2 submitted 2018-02-28 hep-th

Ofer Aharony , Talya Vaknin This is my paper · ORCID
classification hep-th
keywords deformationfixedlimitdeformedfieldfunctionstheoryaspects
verification ladder T0 review T1 audit T2 compute T3 formal
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We study Zamolodchikov's TT* deformation of two dimensional quantum field theories in a 't Hooft-like limit, in which we scale the number of degrees of freedom c to infinity and the deformation parameter t to zero, keeping their product t*c fixed (more precisely, we keep energies and distances fixed in units of t*c). In this limit the Hagedorn temperature remains fixed, but other non-local aspects of the theory disappear. We show that in this limit correlation functions may be computed exactly, and they are local in space and polynomials in t. We compute explicitly the deformed three-point functions of the energy-momentum tensor for a TT*-deformed conformal field theory.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Integrability and Renormalization under $T \bar T$

    hep-th 2019-09 conditional novelty 6.0 of 10

    At one loop, the renormalized Lagrangian of the T Tbar-deformed massive scalar splits the two quartic couplings, making g and h unequal, in contrast to the classical Lagrangian.

  2. Entanglement entropy and $T\bar T$ deformations beyond antipodal points from holography

    hep-th 2019-08 conditional novelty 6.0 of 10

    For a holographic (A)dS spacetime with a hard radial cutoff, the entanglement entropy of any interval on the sphere equals the antipodal-point formula with radius R cos(beta_epsilon).

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