Mean field theory of critical coupled map lattices
Stefano Lepri, Wolfram Just
Abstract
We study the single-site approximation of the Perron-Frobenius equation for a coupled map lattice exhibiting a phase transition at a critical value gc of the coupling constant. We found that the critical exponents are the same as in the usual mean-field theory of equilibrium statistical mechanics. Remarkably, the value of gc is within six percent of the one previously obtained by numerical simulations with asynchronous updating.
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