Form factors of boundary exponential operators in the sinh-Gordon model

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Abstract

Using the recently introduced boundary form factor bootstrap equations, the form factors of boundary exponential operators in the sinh-Gordon model are constructed. We also give a general method to evaluate the ultraviolet properties of boundary correlators by extending the bulk cumulant expansion to the boundary case. As an application, the ultraviolet scaling dimension and the normalization of the operators corresponding to the form factor solutions are checked against previously known results for boundary exponential operators. The construction presented in this paper can be applied to determine form factors of relevant primary boundary operators in general integrable boundary quantum field theories.

Original languageEnglish
Pages (from-to)187-206
Number of pages20
JournalNuclear Physics B
Volume801
Issue number3
DOIs
Publication statusPublished - Oct 1 2008

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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