Expectation values of descendent fields in the sine-gordon model

Vladimir Fateev, Dmitri Fradkin, Sergei Lukyanov, Alexander Zamolodchikov, Alexei Zamolodchikov

Research output: Contribution to journalArticlepeer-review

49 Scopus citations

Abstract

We obtain exactly the vacuum expectation values <(∂φ)2(∂̄φ)2eiαφ> in the sine-Gordon model and <L_2L̄_2Φl,k> in the sine-Gordon model and in Φ1,3 perturbed minimal CFT. We discuss applications of these results to short-distance expansions of two-point correlation functions.

Original languageEnglish (US)
Pages (from-to)587-609
Number of pages23
JournalNuclear Physics B
Volume540
Issue number3
DOIs
StatePublished - Feb 15 1999

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Keywords

  • Conformal perturbation theory
  • Integrable quantum field theory
  • Vacuum expectation values

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