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Form factors in finite volume II:disconnected terms and finite temperature correlators

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arxiv 0706.3605 v1 pith:PX3D6VB2 submitted 2007-06-25 hep-th cond-mat.otherhep-lat

Form factors in finite volume II:disconnected terms and finite temperature correlators

classification hep-th cond-mat.otherhep-lat
keywords finitetemperaturedisconnectedelementsfactorsforminvestigationmatrix
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Continuing the investigation started in a previous work, we consider form factors of integrable quantum field theories in finite volume, extending our investigation to matrix elements with disconnected pieces. Numerical verification of our results is provided by truncated conformal space approach. Such matrix elements are important in computing finite temperature correlation functions, and we give a new method for generating a low temperature expansion, which we test for the one-point function up to third order.

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Cited by 2 Pith papers

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

  1. Expectation values after an integrable boundary quantum quench

    hep-th 2026-05 unverdicted novelty 6.0

    A form factor framework is introduced to compute expectation values and time evolution after an integrable boundary quantum quench, applied to the Lee-Yang model at conformal and massive points with TCSA validation.

  2. Expectation values after an integrable boundary quantum quench

    hep-th 2026-05 unverdicted novelty 6.0

    A form-factor-based framework is introduced for expectation values after an integrable boundary quantum quench in the Lee-Yang model and validated numerically via adapted truncated conformal space approach.