Nonlinear diffusion in a random environment
Seminar Room 1, Newton Institute
AbstractWe discuss dynamics of coupled map lattices where local dynamics consists of one conserved quantity ("energy") and other degrees of freedom are chaotic. Upon coupling only total energy is conserved and should diffuse. The model can be mapped to a nonlinear version of random walks in a random environment. We use renormalization group to establish the diffusive behavior.
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