Metastability in the formation of an experimental traffic jam

被引：43

作者：

Nakayama, Akihiro ^{[1
]}

Fukui, Minoru ^{[2
]}

Kikuchi, Macoto ^{[3
]}

Hasebe, Katsuya ^{[4
]}

Nishinari, Katsuhiro ^{[5
,6
]}

Sugiyama, Yuki ^{[7
]}

Tadaki, Shin-ichi ^{[8
]}

Yukawa, Satoshi ^{[9
]}

机构：

[1] Meijo Univ, Fac Sci & Technol, Nagoya, Aichi 4688502, Japan

[2] Nakanihon Automot Coll, Sakahogi 5050077, Japan

[3] Osaka Univ, Cybermedia Ctr, Toyonaka, Osaka 5600043, Japan

[4] Aichi Univ, Miyoshi 4700296, Japan

[5] Univ Tokyo, Dept Aeronaut & Astronaut, Bunkyo Ku, Tokyo 1138656, Japan

[6] Japan Sci & Technol Agcy, PRESTO, Bunkyo Ku, Tokyo 1138656, Japan

[7] Nagoya Univ, Dept Complex Syst Sci, Nagoya, Aichi 4648601, Japan

[8] Saga Univ, Comp & Network Ctr, Saga 8408502, Japan

[9] Osaka Univ, Dept Earth & Space Sci, Toyonaka, Osaka 5600043, Japan

来源：

NEW JOURNAL OF PHYSICS | 2009年 / 11卷

关键词：

PHASE-TRANSITIONS; SYSTEMS; PHYSICS; STATES; MODEL; FLOW;

D O I：

10.1088/1367-2630/11/8/083025

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show detailed data about the process of jam formation in a traffic experiment on a circuit without any bottlenecks. The experiment was carried out using a circular road on a flat ground. At the initial stage, vehicles are running homogeneously distributed on the circuit with the same velocity, but roughly 10 min later a traffic jam emerges spontaneously on the circuit. In the process of the jam formation, we found a homogeneous flow with large velocity is temporarily realized before a jam cluster appears. The instability of such a homogeneous flow is the key to understanding jam formation.

引用

页数：16

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