Expectation values of local fields in Bullough-Dodd model and integrable perturbed conformal field theories

Abstract

Exact expectation values of the fields e^{aϕ} in the Bullough-Dodd model are derived by adopting the ``reflection relations'' which involve the reflection S-matrix of the Liouville theory, as well as special analyticity assumption. Using this result we propose explicit expressions for expectation values of all primary operators in the c<1 minimal CFT perturbed by the operator Φ_{1,2} or Phi_{2,1}. Some results concerning the ${\Phi }_{1,5}$ perturbed minimal models are also presented.

27 pages, harvmac.tex, one epsf figure

References in corpus (1)

• Vacuum Expectation Values from a variational approach

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