DOI

We propose a free field representation for the form factors of descendant operators in the Bullough-Dodd model. This construction is a particular modification of Lukyanov's technique for solving the form factors axioms. We prove that the number of proposed solutions in each level subspace of the chiral sectors coincide with the number of the corresponding descendant operators in the Lagrangian formalism. We check that these form factors possess the cluster factorization property. Besides, we propose an alternative free field representation which allows us to study analytic properties of the form factors effectively. In particular, we prove that the form factors satisfy non trivial identities known as the "reflection relations". We show the existence of the reflection invariant basis in the level subspaces for a generic values of the parameters.

Original languageEnglish
Article number112
JournalJournal of High Energy Physics
Volume2013
Issue number7
DOIs
StatePublished - 19 Aug 2013

    Research areas

  • Field Theories in Lower Dimensions, Integrable Field Theories

    Scopus subject areas

  • Nuclear and High Energy Physics

ID: 36351960