Expectation values of descendent fields in the sine-Gordon model

Abstract

We obtain exactly the vacuum expectation values $<(\partial \varphi {)}^2(\bar{\partial }\varphi )e^{i\alpha \varphi }>$ in the sine-Gordon model and $<L_{-2}{\bar{L}}_{-2}{\Phi }_{l,k}>$ in ${\Phi }_{1,3}$ perturbed minimal CFT. We discuss applications of these results to short-distance expansions of two-point correlation functions.

26 pages, 2 figures, harvmac TeX

References in corpus (5)

• Low energy effective Hamiltonian for the XXZ spin chain
• Expectation values of local fields in Bullough-Dodd model and integrable perturbed conformal field theories
• Form-factors of exponential fields in the sine-Gordon model
• Expectation values of boundary fields in the boundary sine-Gordon model
• Vacuum Expectation Values from a variational approach

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