Forward and Backward Drift Motions and Inversion of Drift Directions in Small Lattice Gas System(General)
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概要
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The drift motions of particles in a nonequilibrium lattice gas system are investigated. We consider a system that consists of two particles interacting repulsively and the potential forces acting on these particles. When only one particle is driven by an external driving field, the other particle shows the following two types of drift motions on the average, depending on the field strength, under certain conditions : I) The particle drifts in the same direction as the external field (forward drift) if the external field is sufficiently strong. II) The particle drifts in the opposite direction to the external field (backward drift) if the external field is of a certain strength. We explain the mechanisms of this phenomenon by considering the transition diagrams.
- 社団法人日本物理学会の論文
- 2005-12-15
著者
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AWAZU Akinori
Department of Mathematical and Life Sciences, Hiroshima University
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Awazu Akinori
Univ. Tokyo Tokyo Jpn
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