Form factors in the presence of integrable defects

Zoltán Bajnok, Omar el Deeb

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Form factor axioms are derived in two dimensional integrable defect theories for matrix elements of operators localized both in the bulk and on the defect. The form factors of bulk operators are expressed in terms of the bulk form factors and the transmission factor. The structure of the form factors of defect operators is established in general, and explicitly calculated in particular, for the free boson and for some operator of the Lee-Yang model. Fusion method is also presented to generate boundary form factor solutions for a fused boundary from the known unfused ones.

Original languageEnglish
Pages (from-to)500-519
Number of pages20
JournalNuclear Physics B
Volume832
Issue number3
DOIs
Publication statusPublished - Jun 21 2010

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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