Authors
Dirk Helbing, Illés J Farkas, Tamás Vicsek
Publication date
2000/2/7
Journal
Physical review letters
Volume
84
Issue
6
Pages
1240
Publisher
American Physical Society
Description
We investigate a simple model corresponding to particles driven in opposite directions and interacting via a repulsive potential. The particles move off-lattice on a periodic strip 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.” One interesting feature of this transition is that a crystallized state with a higher total energy is obtained from a fluid state by increasing the amount of fluctuations.
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Scholar articles
D Helbing, IJ Farkas, T Vicsek - Physical review letters, 2000