Finite temperature correlation functions in integrable QFT
A. LeClairNewman Laboratory, Cornell University, Ithaca, NY 14853, USAG. MussardoDipartimento di Fisica, Universita' dell'Insubria, Como, Italy
1999en
ABI
Abstract
Finite temperature correlation functions in integrable quantum field theories are formulated only in terms of the usual, temperature-independent form factors, and certain thermodynamic filling fractions which are determined from the thermodynamic Bethe ansatz. Explicit expressions are given for the one- and two-point functions.
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