期刊
COMMUNICATIONS IN MATHEMATICAL PHYSICS
卷 330, 期 2, 页码 723-755出版社
SPRINGER
DOI: 10.1007/s00220-014-2011-3
关键词
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资金
- European Research Council under the European Union [291147]
- Royal Society Wolfson Research Merit Award
- Knut and Alice Wallenberg Foundation
- European Research Council (ERC) [291147] Funding Source: European Research Council (ERC)
Previous studies of kinetic transport in the Lorentz gas have been limited to cases where the scatterers are distributed at random (e.g., at the points of a spatial Poisson process) or at the vertices of a Euclidean lattice. In the present paper we investigate quasicrystalline scatterer configurations, which are non-periodic, yet strongly correlated. A famous example is the vertex set of a Penrose tiling. Our main result proves the existence of a limit distribution for the free path length, which answers a question of Wennberg. The limit distribution is characterised by a certain random variable on the space of higher dimensional lattices, and is distinctly different from the exponential distribution observed for random scatterer configurations. The key ingredients in the proofs are equidistribution theorems on homogeneous spaces, which follow from Ratner's measure classification.
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