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Wang F., Cohen E.G.D. — Diffusion in Lorentz Lattice Gas Cellular Automata: The Honeycomb and Quasi-lattices Compared with the Square and Triangular Lattices
Wang F., Cohen E.G.D. — Diffusion in Lorentz Lattice Gas Cellular Automata:  The Honeycomb and Quasi-lattices Compared with the  Square and Triangular Lattices

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Название: Diffusion in Lorentz Lattice Gas Cellular Automata: The Honeycomb and Quasi-lattices Compared with the Square and Triangular Lattices

Авторы: Wang F., Cohen E.G.D.

Аннотация:

We study numerically the nature of the diffusion process on a honeycomb and a quasi-lattice, where a point particle, moving along the bonds of the lattice, scatters from randomly placed scatterers on the lattice sites according to strictly deterministic rules. For the honeycomb lattice fully occupied by fixed rotators two (symmetric) isolated critical points appear to be present, with the same hyperscaling relation as for the square and the triangular lattices. No such points appear to exist for the quasi-lattice. A comprehensive comparison is made with the behavior on the previously studied square and triangular lattices. A great variety of diffusive behavior is found, ranging from propagation, superdiffusion, normal, quasi-normal, and anomalous, to absence of diffusion. The influence of the scattering rules as well as of the lattice structure on the diffusive behavior of a point particle moving on the all lattices studied so far is summarized.


Язык: en

Рубрика: Физика/

Тип: Статья

Статус предметного указателя: Неизвестно

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Год издания: 1995

Количество страниц: 29

Добавлена в каталог: 26.10.2013

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