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Finite Temperature Correlation Functions in Integrable QFT

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arxiv hep-th/9902075 v1 pith:UMV2WH6O submitted 1999-02-10 hep-th cond-mat

classification hep-thcond-mat
keywords functionscorrelationfiniteintegrabletemperaturethermodynamicansatzbethe
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Finite temperature correlation functions in integrable quantum field theories are formulated only in terms of the usual, temperature-independent form factors, and certain thermodynamic filling fractions which are determined from the thermodynamic Bethe ansatz. Explicit expressions are given for the one and two-point functions.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Variational Method in Quantum Field Theory

    hep-th 2025-11 conditional novelty 7.0 of 10

    A variational ansatz built from exact sinh-Gordon vacuum expectation values yields quantitative estimates of the φ⁴ ground-state energy and mass, validated by Borel resummation and truncated-space numerics.

  2. Finite volume corrections of non-diagonal form factors

    hep-th 2019-08 conditional novelty 5.0 of 10

    The mu-term corrections from bound-state quantization are reproduced exactly as residues of the F-term integral for elementary non-diagonal form factors, confirming the connection between the two formalisms.

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