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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
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: |
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| 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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