Tuning synchronization of integrate-and-fire oscillators through mobility

We analyze the emergence of synchronization in a population of moving integrate-and-fire oscillators. Oscillators, while moving on a plane, interact with their nearest neighbor upon firing time. We discover a nonmonotonic dependence of the synchronization time on the velocity of the agents. Moreover...

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Bibliographic Details
Published in:Physical review letters 2013-03, Vol.110 (11), p.114101-114101, Article 114101
Main Authors: Prignano, L, Sagarra, O, Díaz-Guilera, A
Format: Article
Language:English
Subjects:
Caos (Teoria de sistemes)
Chaotic behavior in systems
Computational geometry
Electric oscillators
Geometria computacional
Oscil·ladors elèctrics
Sincronització
Synchronization
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Summary:We analyze the emergence of synchronization in a population of moving integrate-and-fire oscillators. Oscillators, while moving on a plane, interact with their nearest neighbor upon firing time. We discover a nonmonotonic dependence of the synchronization time on the velocity of the agents. Moreover, we find that mechanisms that drive synchronization are different for different dynamical regimes. We report the extreme situation where an interplay between the time scales involved in the dynamical processes completely inhibits the achievement of a coherent state. We also provide estimators for the transitions between the different regimes.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.110.114101