Mathematics – Dynamical Systems
Scientific paper
2010-11-29
Mathematics
Dynamical Systems
Final version for J. Stat. Phys., 18 pages, 4 figures
Scientific paper
10.1007/s10955-011-0244-5
We consider the billiard dynamics in a non-compact set of R^d that is constructed as a bi-infinite chain of translated copies of the same d-dimensional polytope. A random configuration of semi-dispersing scatterers is placed in each copy. The ensemble of dynamical systems thus defined, one for each global realization of the scatterers, is called `quenched random Lorentz tube'. Under some fairly general conditions, we prove that every system in the ensemble is hyperbolic and almost every system is recurrent, ergodic, and enjoys some higher chaotic properties.
Cristadoro Giampaolo
Esposti Mirko Degli
Lenci Marco
Seri Marcello
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