Quantum transfer-matrices for the sausage model

Vladimir V. Bazhanov, Gleb A. Kotousov, Sergei L. Lukyanov

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

In this work we revisit the problem of the quantization of the two-dimensional O(3) non-linear sigma model and its one-parameter integrable deformation — the sausage model. Our consideration is based on the so-called ODE/IQFT correspondence, a variant of the Quantum Inverse Scattering Method. The approach allowed us to explore the integrable structures underlying the quantum O(3)/sausage model. Among the obtained results is a system of non-linear integral equations for the computation of the vacuum eigenvalues of the quantum transfer-matrices.

Original languageEnglish (US)
Article number21
JournalJournal of High Energy Physics
Volume2018
Issue number1
DOIs
StatePublished - Jan 1 2018

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Keywords

  • Field Theories in Lower Dimensions
  • Integrable Field Theories
  • Lattice Integrable Models
  • Sigma Models

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