Abnormal hysteresis effect and phase transitions in a velocity-difference dependent randomization CA model |
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Authors: | Shou-Xin Hu Kun Gao Bing-Hong Wang |
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Institution: | a Nonlinear Science Center and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, PR China b Department of Science, Bengbu College, Bengbu 233050, PR China |
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Abstract: | Additional to the basic Nagel-Schreckenberg model for single-lane traffic flow, we consider the effect of the velocity-difference between two successive vehicles on the randomization of the latter one. This modification improves the transit capacity of the model, which results in a much higher simulated flux. Moreover, in a circular road, this model simulates an abnormal hysteresis effect. The characteristic shape of hysteresis curves may shed some light on the distinguish of synchronized flow and jams. |
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Keywords: | 89 40 _method=retrieve& _eid=1-s2 0-S0378437107008679& _mathId=si20 gif& _pii=S0378437107008679& _issn=03784371& _acct=C000054348& _version=1& _userid=3837164& md5=de131fd4cf9170ce85e45e988475ba8e')" style="cursor:pointer -a" target="_blank">" alt="Click to view the MathML source" title="Click to view the MathML source">-a 64 60 Cn 02 60 Cb 05 70 Ln |
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