Finite temperature expectation values of local fields in the sinh-Gordon model

Abstract

Sklyanin's method of separation of variables is employed in a calculation of finite temperature expectation values. An essential element of the approach is Baxter's $Q$-function. We propose its explicit form corresponding to the ground state of the sinh-Gordon theory. With the method of separation of variables we calculate the finite temperature expectation values of the exponential fields to one-loop order of the semi-classical expansion.

24 pages, harvmac.tex

References in corpus (1)

• A comment on finite temperature correlations in integrable QFT

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