Pozsgai, Balázs (2013) Form factor approach to diagonal finite volume matrix elements in Integrable QFT. JOURNAL OF HIGH ENERGY PHYSICS, 2013 (7). ISSN 1126-6708
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Official URL: https://doi.org/10.1007/JHEP07(2013)157
Abstract
We derive an exact formula for finite volume excited state mean values of local operators in 1+1 dimensional Integrable QFT with diagonal scattering. Our result is a non-trivial generalization of the LeClair-Mussardo series, which is a form factor expansion for finite size ground state mean values.
| Item Type: | Article |
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| Uncontrolled Keywords: | EQUATION; ENERGY-SPECTRUM; QUANTUM-FIELD THEORIES; EXCITED-STATES; SCALING FUNCTIONS; THERMODYNAMIC BETHE-ANSATZ; GORDON MODEL; Integrable field theories; TEMPERATURE CORRELATION-FUNCTIONS; Exact S-Matrix; LATTICE MODELS; SCATTERING STATES; |
| Subjects: | Q Science / természettudomány > QC Physics / fizika |
| SWORD Depositor: | MTMT SWORD |
| Depositing User: | MTMT SWORD |
| Date Deposited: | 08 Aug 2024 07:22 |
| Last Modified: | 08 Aug 2024 07:22 |
| URI: | https://real.mtak.hu/id/eprint/202087 |
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