Bethe state norms for the Heisenberg spin chain in the scaling limit

Gleb A. Kotousov, Sergei L. Lukyanov

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6 Scopus citations

Abstract

In this paper we discuss the norms of the Bethe states for the spin [Formula presented] Heisenberg chain in the critical regime. Our analysis is based on the ODE/IQFT correspondence. Together with numerical work, this has lead us to formulate a set of conjectures concerning the scaling behavior of the norms. Also, we clarify the rôle of the different Hermitian structures associated with the integrable structure studied in the series of works of Bazhanov, Lukyanov and Zamolodchikov in the mid nineties.

Original languageEnglish (US)
Article number114748
JournalNuclear Physics B
Volume947
DOIs
StatePublished - Oct 2019

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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