- 03-34 Taku Matsui and Yoshiko Ogata
- Variational Principle for Non-Equilibrium Steady States
of the XX Model
(376K, Postscript)
Feb 1, 03
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Abstract. We show that non-equilibrium steady states of
the one dimensional exactly solved XY model
can be characterized by the variational principle
of free energy of a long range interaction and that they cannot
be a KMS state for any C$^*$-dynamical system.
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