Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2005-05-19
Phys. Rev. Lett. 95 010601 (2005)
Physics
Condensed Matter
Statistical Mechanics
4 pages, to appear in the Physical Review Letters
Scientific paper
10.1103/PhysRevLett.95.010601
We present a general approach for computing the dynamic partition function of a continuous-time Markov process. The Ruelle topological pressure is identified with the large deviation function of a physical observable. We construct for the first time a corresponding finite Kolmogorov-Sinai entropy for these processes. Then, as an example, the latter is computed for a symmetric exclusion process. We further present the first exact calculation of the topological pressure for an N-body stochastic interacting system, namely an infinite-range Ising model endowed with spin-flip dynamics. Expressions for the Kolmogorov-Sinai and the topological entropies follow.
Appert-Rolland Cécile
Lecomte Vivien
Wijland Frédéric Van
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