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Search: authors:"I.M. Szécsényi"

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LeClair-Mussardo series for two-point functions in Integrable QFT

Abstract We develop a well-defined spectral representation for two-point functions in relativistic Integrable QFT in finite density situations, valid for space-like separations. The resulting integral series is based on the infinite volume, zero density form factors of the theory, and certain statistical functions related to the distribution of Bethe roots in the finite density...