Nonlinear Sciences – Cellular Automata and Lattice Gases
Scientific paper
2011-02-28
Nonlinear Sciences
Cellular Automata and Lattice Gases
8 figures
Scientific paper
We investigate the dynamical transition from free-flow to jammed traffic, which is related to the divergence of the relaxation time and susceptibility of the energy dissipation rate $E_d$, in the Nagel-Schreckenberg (NS) model with two different initial configurations. Different initial configurations give rise to distinct phase transition. We argue that the phase transition of the deterministic NS model with megajam and random initial configuration is first- and second-order phase transition, respectively. The energy dissipation rate $E_d$ and relaxation time follow power-law behavior in some cases. The associated dynamic exponents have also been presented.
Chen Wei
Zhang Wanchuan
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