Physics – Condensed Matter – Disordered Systems and Neural Networks
Scientific paper
2004-01-05
Phys. Rev. Lett. 93, 244103 (2004)
Physics
Condensed Matter
Disordered Systems and Neural Networks
4 pages; 5 figures
Scientific paper
10.1103/PhysRevLett.93.244103
We show that long chaotic transients dominate the dynamics of randomly diluted networks of pulse-coupled oscillators. This contrasts with the rapid convergence towards limit cycle attractors found in networks of globally coupled units. The lengths of the transients strongly depend on the network connectivity and varies by several orders of magnitude, with maximum transient lengths at intermediate connectivities. The dynamics of the transient exhibits a novel form of robust synchronization. An approximation to the largest Lyapunov exponent characterizing the chaotic nature of the transient dynamics is calculated analytically.
Geisel Theo
Timme Marc
Wolf Fred
Zumdieck Alexander
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