$T\overline T$ deformations of non-Lorentz invariant field theories

John Cardy

$T\overline T$ deformations of non-Lorentz invariant field theories

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arxiv 1809.07849 v2 pith:VUXRETUK submitted 2018-09-20 hep-th cond-mat.stat-mech

John Cardy This is my paper · ORCID

classification hep-thcond-mat.stat-mech

keywords theoriesdeformationsfieldinvariantnon-lorentzoverlineargumentscase

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abstract

We point out that the arguments of Zamolodchikov and others on the $T\overline T$ and similar deformations of two-dimensional field theories may be extended to the more general non-Lorentz invariant case, for example non-relativistic and Lifshitz-type theories. We derive results for the finite-size spectrum and $S$-matrix of the deformed theories.

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Mixed state entanglement in deformed field theory at finite temperature
hep-th 2024-12 conditional novelty 5.0 of 10

For a TTbar-deformed CFT at finite temperature, the EWCS and holographic entanglement negativity both decrease as the deformation parameter grows, just as they do when temperature increases.

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