期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 2, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP02(2019)085
关键词
Bethe Ansatz; Integrable Field Theories
资金
- INFN project SFT
- EU network GATIS+
- NSF [PHY-1620628]
- FCT [PTDC/MAT-PUR/30234/2017]
- Fundação para a Ciência e a Tecnologia [PTDC/MAT-PUR/30234/2017] Funding Source: FCT
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.
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