Counter Chemotactic Flow in Quasi-One-Dimensional Path
スポンサーリンク
概要
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Quasi-one-dimensional bidirectional particle flow including the effect of chemotaxis is investigated through a modification of the John-Schadschneider-Chowdhury-Nishinari model. Specifically, we permit multiple lanes to be shared by both directionally traveling particles. The relation between particle density and flux is studied for several evaporation rates of pheromone, and the following results are obtained: i) in the low-particle-density range, the flux is enlarged by pheromone if the pheromone evaporation rate is sufficiently low, ii) in the high particle-density range, the flux is largest at a reasonably high evaporation rate and, iii) if the evaporation rate is at the level intermediate between the above two cases, the flux is kept small in the entire range of particle densities. The mechanism of these behaviors is investigated by observing the spatiotemporal evolution of particles and the average cluster size in the system.
- 2009-07-15
著者
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FUJII Masashi
Department of Mathematical and Life Sciences, Hiroshima University
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AWAZU Akinori
Department of Mathematical and Life Sciences, Hiroshima University
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NISHIMORI Hiraku
Department of Mathematical and Life Sciences, Hiroshima University
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Nishimori Hiraku
Department Of Mathematical And Life Sciences Hiroshima University
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Awazu Akinori
Department Of Mathematical And Life Sciences Hiroshima University
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Awazu Akinori
Department Of Mathematical And Life Sciences Hiroshima Univ.
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Nishimori Hiraku
Department Of Applied Physics Tokyo Institute Of Technology
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Fujii Masashi
Department Of Mathematical And Life Sciences Hiroshima University
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Fujii Masashi
Department Of Digestive Surgery Nihon University School Of Medicine
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Awazu Akinori
Department Of Mathematical And Life Sciences Graduate School Of Science Hiroshima University
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