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Spatial orders appearing at instabilities of synchronous chaos of spatiotemporal systems |
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| Authors: | Shihong Wang Jinghua Xiao Xingang Wang Bambi Hu Gang Hu |
| Affiliation: | (1) Science school, Beijing University of Posts and Telecommunications, Beijing 100876, PR China, CN;(2) Department of Physics, University of Normal Beijing, Beijing 100875, PR China, CN;(3) Centre of Nonlinear Studies and Department of Physics, Hong Kong Baptist University, Hong Kong, PR China, HK;(4) China Center for Advanced Science and Technology (CCAST) (World Laboratory), PO Box 8730, Beijing 100080, PR China, CN;(5) Institute of Low Energy Physics, Beijing Normal University, Beijing 100875, PR China, CN |
| Abstract: | Various spatial orders introduced by the instabilities of synchronous chaotic state of spatiotemporal systems are investigated by considering coupled map lattice and chaotic partial differential equation. In particular, the motions of on-off intermittent states at the onset of the instabilities are studied in detail. The chaotic desynchronized patterns can be described by a simple universal form, including three parts: the synchronous chaos; a spatially ordered pattern, determined by the unstable mode of the reference synchronous chaos; and on-off intermittency of the scale of this given pattern. Received 31 July 2002 / Received in final form 20 November 2002 Published online 31 December 2002 |
| Keywords: | PACS. 05.45.-a Nonlinear dynamics and nonlinear dynamical systems – 05.45.Jn High-dimensional chaos – 05.45.Xt Synchronization coupled oscillators |
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