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Tuning synchronization of integrate-and-fire oscillators through mobility
L Prignano1, O Sagarra1, A Díaz-Guilera1
1Departament de Física Fonamental, Universitat de Barcelona, 08028 Barcelona, Spain.
Physical Review Letters
|August 29, 2014
Summary
We studied how moving oscillators synchronize, finding that their speed affects synchronization time in complex ways. Different movement patterns lead to distinct synchronization mechanisms, sometimes preventing overall coherence.
Area of Science:
- Physics
- Complex Systems
- Nonlinear Dynamics
Background:
- Oscillator populations are fundamental in physics and biology.
- Understanding synchronization in moving systems is key to many natural phenomena.
Purpose of the Study:
- To investigate synchronization dynamics in a population of moving integrate-and-fire oscillators.
- To explore the relationship between agent velocity and synchronization time.
Main Methods:
- Simulating a population of moving integrate-and-fire oscillators.
- Analyzing interactions based on nearest neighbors and firing times.
- Developing estimators for regime transitions.
Main Results:
- Discovered a nonmonotonic dependence of synchronization time on agent velocity.
- Identified distinct synchronization mechanisms across different dynamical regimes.
- Observed scenarios where time scale interplay inhibits synchronization.
Conclusions:
- Agent velocity significantly impacts synchronization, not always monotonically.
- Synchronization mechanisms are regime-dependent.
- Predictive estimators for synchronization transitions were developed.
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