Abstract
We present a quantum system composed of infinitely many particles, subject to a nonquadratic Hamiltonian, for which it is possible to investigate the long time behavior of the dynamics and its ergodic properties. We do so both for the KMS states and for a large class of locally normal invariant states, whose very existence is already of some interest.
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Fidaleo, F., Liverani, C. Ergodic Properties for a Quantum Nonlinear Dynamics. Journal of Statistical Physics 97, 957–1009 (1999). https://doi.org/10.1023/A:1004662014026
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DOI: https://doi.org/10.1023/A:1004662014026