Self-Organization in Four-Direction Traffic-Flow Model : Cross-Disciplinary Physics
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概要
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We propose a four-direction traffic-flow model and its modified model with four types of cars on a two-dimensional network; cars of each type go straight toward one of four directions or turn to the left with the probability γ at each crossing. We use cellular automata to describe the models and investigate their properties by means of numerical simulations. It turns out that the models have a sort of continuous transition from a free-moving phase to a traffic-jam phase as the density of cars increases. The continuous transition is due to a self-organization by core configurations. The modified model is defined by imposing restriction rules for formation of some of core configurations to the original model. An average velocity of cars in the free-moving phase is analytically estimated within a one-body approximation for the modified model.
- 社団法人日本物理学会の論文
- 2000-11-15
著者
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Honda Yasushi
Department Of Chemistry Graduate School Of Science And Engineering Tokyo Metropolitan University
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Honda Yasushi
Department Of Computer And Mathematical Sciences Graduate School Of Information Sciences Tohoku Univ
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Horiguchi Tsuyoshi
Department Of Computer And Mathematical Sciences Graduate School Of Information Sciences Tohoku Univ
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Horiguchi Tsuyoshi
Department Of Applied Science Faculty Of Engineering Tohoku University
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