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The T T ¯ perturbation and its geometric interpretation

Articolo
Data di Pubblicazione:
2019
Abstract:
Starting from the recently-discovered TT-perturbed Lagrangians, we prove that the deformed solutions to the classical EoMs for bosonic field theories are equivalent to the unperturbed ones but for a specific field-dependent local change of coordinates. This surprising geometric outcome is fully consistent with the identification of T-deformed 2D quantum field theories as topological JT gravity coupled to generic matter fields. Although our conclusion is valid for generic interacting potentials, it first emerged from a detailed study of the sine-Gordon model and in particular from the fact that solitonic pseudo-spherical surfaces embedded in (3) are left invariant by the deformation. Analytic and numerical results concerning the perturbation of specific sine-Gordon soliton solutions are presented.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
Bethe Ansatz; Integrable Field Theories
Elenco autori:
Conti R.; Negro S.; Tateo R.
Autori di Ateneo:
TATEO Roberto
Link alla scheda completa:
https://iris.unito.it/handle/2318/1710919
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1710919/530305/Conti2019_Article_TheTTMathrmTOverlineMathrmTPer.pdf
Pubblicato in:
JOURNAL OF HIGH ENERGY PHYSICS
Journal
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URL

http://link.springer.com/journal/13130
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