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On Nonequilibrium States in QFT Model with Boundary Interaction

Bazhanov, Vladimir; Lukyanov, Sergei L; Zamolodchikov, Alexander B


We prove that certain non-equilibrium expectation values in the boundary sine-Gordon model coincide with associated equilibrium-state expectation values in the systems which differ from the boundary sine-Gordon in that certain extra boundary degrees of freedom (q-oscillators) are added. Applications of this result to actual calculation of non-equilibrium characteristics of the boundary sine-Gordon model are also discussed.

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
Source: Nuclear Physics B


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