The thermal coherent state and its application to the one-dimensional field theory
- 1 January 1985
- journal article
- Published by IOP Publishing in Journal of Physics A: General Physics
- Vol. 18 (1) , 149-164
- https://doi.org/10.1088/0305-4470/18/1/026
Abstract
The authors present a new formulation of the two-fluid model, the thermal coherent state for handling the relativistic quantum field theory at finite temperature. Three models in one-dimensional space, the phi 4, sine-Gordon and the Schwinger model, are discussed.Keywords
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