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Form-factors of exponential fields in the sine-Gordon model

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arxiv hep-th/9703190 v2 pith:UC563TE3 submitted 1997-03-26 hep-th cond-matmath.QAq-alg

S. Lukyanov This is my paper · ORCID
classification hep-thcond-matmath.QAq-alg
keywords exponentialfieldsform-factorsmodelsine-gordonintegralproposedrepresentation
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An integral representation for form-factors of exponential fields in the sine-Gordon model is proposed.

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Cited by 4 Pith papers

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

  1. Entanglement asymmetry in the gapped XYZ spin-$\frac12$ chain

    cond-mat.stat-mech 2026-07 conditional novelty 8.0 of 10

    In the gapped XYZ chain, the Rényi entanglement asymmetry of a large interval is ½ log(πℓχzz) + log n/(2(n−1)), with χzz/M computed from sine-Gordon form factors.

  2. Spontaneous symmetry breaking on graphs and lattices

    cond-mat.dis-nn 2025-12 unverdicted novelty 7.0 of 10

    Spontaneous symmetry breaking on graphs and lattices is controlled by the spectral dimension and generalizations of resistance distance and the Kirchhoff index.

  3. 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.

  4. A Toy Model for Topological Entanglement Features in 1+1D Integrable Quantum Field Theory

    hep-th 2026-07 conditional novelty 6.0 of 10

    In the Federbush model, branch-point twist field form factors and first-order quench corrections are independent of the topological coupling λ, so Rényi entropies of the infinite-volume vacuum match two free Dirac fermions.

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