A cellular-automata model of flow in ant-trails: non-monotonic variation of speed with density

Details A cellular-automata model of flow in ant-trails: non-monotonic variation of speed with density A cellular-automata model of flow in ant-trails: non-monotonic variation of speed with density

2002-01-14

arxiv.org/abs/cond-mat/0201207v3

Physics

Condensed Matter

Statistical Mechanics

IOP style LATEX, 4 embedded EPS figures, Final published version. Journal Ref: J. Phys.A 35, L573 (2002)

Scientific paper

Generically, in models of driven interacting particles the average speed of the particles decreases monotonically with increasing density. We propose a counter-example, motivated by the motion of ants in a trail, where the average speed of the particles varies {\it non-monotonically} with their density because of the coupling of their dynamics with another dynamical variable. These results, in principle, can be tested experimentally.

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