Isomorphism of critical and off-critical operator spaces in two-dimensional quantum field theory

Abstract

For the simplest quantum field theory originating from a non-trivial fixed point of the renormalization group, the Lee-Yang model, we show that the operator space determined by the particle dynamics in the massive phase and that prescribed by conformal symmetry at criticality coincide.

arXiv comment16 pages, typo corrected in (2.17)

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• Form factors and complete spectrum of XXX antiperiodic higher spin chains by quantum separation of variables
• SOV approach for integrable quantum models associated to general representations on spin-1/2 chains of the 8-vertex reflection algebra
• On the form factors of local operators in the lattice sine-Gordon model
• Sine-Gordon multi-soliton form factors in finite volume
• Universal amplitude ratios of two-dimensional percolation from field theory
• On the space of quantum fields in massive two-dimensional theories
• Form factors of descendant operators: Free field construction and reflection relations
• Paths and partitions: combinatorial descriptions of the parafermionic states
• The complex sinh-Gordon model: form factors of descendant operators and current-current perturbations
• On form factors and Macdonald polynomials
• Explicit boundary form factors: the scaling Lee-Yang model
• Form factors of descendant operators: Reduction to perturbed $M(2,2s+1)$ models
• Form factors of descendant operators in the Bullough-Dodd model