Friday, July 26, 2013

1307.6684 (Alessandro Pelizzola)

Variational approximations for stationary states of Ising-like models    [PDF]

Alessandro Pelizzola
We introduce a new variational approach to the stationary state of kinetic Ising-like models. The approach is based on the cluster expansion of the entropy term appearing in a functional which is minimized by the system history. We rederive a known mean-field theory and propose a new method, here called diamond approximation, which turns out to be more accurate and faster than other methods of comparable computational complexity.
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