Analytic continuation of Bethe energies and application to the thermodynamic limit of the SL(2, ℂ) non-compact spin chains

Analytic continuation of Bethe energies and application to the thermodynamic limit of the SL(2, ℂ) non-compact spin chains

Abstract We consider the problem of analytically continuing energies computed with the Bethe ansatz, as posed by the study of non-compact integrable spin chains. By introducing an imaginary extensive twist in the Bethe equations, we show that one can expand the analytic continuation of energies in t...

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Bibliographic Details
Main Authors: Etienne Granet, Jesper Lykke Jacobsen, Hubert Saleur
Format: Article
Language:English
Published: SpringerOpen 2020-08-01
Series:Journal of High Energy Physics
Subjects:
Bethe Ansatz
Lattice Integrable Models
Conformal Field Theory
Online Access:http://link.springer.com/article/10.1007/JHEP08(2020)069

Internet

http://link.springer.com/article/10.1007/JHEP08(2020)069

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