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Noise-induced bistable states and their mean switching time in foraging colonies

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Biancalani, Tommaso, Dyson, Louise and McKane, Alan J. (2014) Noise-induced bistable states and their mean switching time in foraging colonies. Physical Review Letters, 112 (3). 038101. doi:10.1103/PhysRevLett.112.038101

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Official URL: http://dx.doi.org/10.1103/PhysRevLett.112.038101

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Abstract

We investigate a type of bistability occurring in population systems where noise not only causes transitions between stable states, but also constructs the states themselves. We focus on the experimentally well-studied system of ants choosing between two food sources to illustrate the essential points, but the ideas are more general. The mean time for switching between the two bistable states of the system is calculated. This suggests a procedure for estimating, in a real system, the critical population size above which bistability ceases to occur.

Item Type: Journal Article
Divisions: Faculty of Science, Engineering and Medicine > Science > Life Sciences (2010- )
Journal or Publication Title: Physical Review Letters
Publisher: American Physical Society
ISSN: 0031-9007
Official Date: 22 January 2014
Dates:
DateEvent
22 January 2014Published
18 June 2013Submitted
Volume: 112
Number: 3
Article Number: 038101
DOI: 10.1103/PhysRevLett.112.038101
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access

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