期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 3, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP03(2023)084
关键词
Bethe Ansatz; Integrable Field Theories
The ODE/IM correspondence serves as an exact connection between classical and quantum integrable models. This study demonstrates that the correspondence remains valid even after TT perturbation is applied on both sides. Specifically, the deformed Lax pair of the sinh-Gordon model, obtained through a dynamic change of coordinates from the unperturbed one, is shown to result in the same Burgers-type equation governing the quantum spectral flow induced by TT. The general validity of our main conclusions can be easily adapted to other ODE/IM examples involving integrable quantum field theories.
The ODE/IM correspondence is an exact link between classical and quantum integrable models. The primary purpose of this work is to show that it remains valid after TT perturbation on both sides of the correspondence. In particular, we prove that the deformed Lax pair of the sinh-Gordon model, obtained from the unperturbed one through a dynamical change of coordinates, leads to the same Burgers-type equation governing the quantum spectral flow induced by TT. Our main conclusions have general validity, as the analysis may be easily adapted to all the known ODE/IM examples involving integrable quantum field theories.
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