| Issue |
EPL
Volume 79, Number 1, July 2007
|
|
|---|---|---|
| Article Number | 10002 | |
| Number of page(s) | 6 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/79/10002 | |
| Published online | 05 June 2007 | |
Synchronization in the presence of memory
1
Marian Smoluchowski Institute of Physics, Jagellonian University, Department of Statistical Physics and Mark Kac Complex Systems Research Center - Reymonta 4, Kraków, Poland
2
Institute of Physics and International Center of Condensed Matter Physics, University of Brasília, Campus Universitário Darcy Ribeiro, CP 04513, CEP 70919-970 Brasília, DF, Brazil
Received:
25
January
2007
Accepted:
16
May
2007
We study the effect of memory on synchronization of identical chaotic systems driven by common external noises. Our examples show that while in general the synchronization transition becomes more difficult to meet when the memory range increases, for intermediate ranges the synchronization tendency of systems can be enhanced. Generally the synchronization transition is found to depend on the memory profile and range and the ratio of noise strength to memory amplitude, which indicates a possibility of optimizing synchronization by memory. We also point out a close link between dynamics with memory and noise, and recently discovered synchronizing properties of networks with delayed interactions.
PACS: 05.45.Xt – Synchronization; coupled oscillators / 05.45.Jn – High-dimensional chaos
© Europhysics Letters Association, 2007
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