Freezing by Heating in a Pedestrian Model

D. Helbing, I. J. Farkas and T. Vicsek
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D. Helbing: Eötvös University, Department of Biological Physics
I. J. Farkas: Collegium Budapest — Institute for Advanced Study
T. Vicsek: Collegium Budapest — Institute for Advanced Study

A chapter in Traffic and Granular Flow ’99, 2000, pp 245-250 from Springer

Abstract: Abstract We investigate a simple model corresponding to pedestrians walking in opposite directions and interacting via a repulsive potential. The pedestrians move off-lattice in a periodic corridor and are subject to random forces as well. We show that this model - which can be considered as a continuum version of some driven diffusive systems - exhibits a paradoxical, new kind of transition called here “freezing by heating”. The most interesting feature of the transition is that a crystallized state with a higher total energy is obtained from a fluid state by increasing the amount of fluctuations

Keywords: Noise Intensity; Crystallize State; Noise Amplitude; Random Force; Repulsive Potential (search for similar items in EconPapers)
Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-59751-0_24

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DOI: 10.1007/978-3-642-59751-0_24

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