Europhys. Lett.
Volume 70, Number 2, April 2005
Page(s) 169 - 175
Section General
Published online 23 March 2005
Europhys. Lett., 70 (2), pp. 169-175 (2005)
DOI: 10.1209/epl/i2004-10488-6

Intermittent generalized synchronization in unidirectionally coupled chaotic oscillators

A. E. Hramov and A. A. Koronovskii

Faculty of Nonlinear Processes, Saratov State University Astrakhanskaya 83, Saratov, 410012, Russia

received 25 November 2004; accepted in final form 3 March 2005
published online 23 March 2005

A new type of behavior of unidirectionally coupled chaotic oscillators near the transition to generalized synchronization has been detected. It has been shown that the appearance of generalized synchronization is preceded by intermittent behavior: close to the threshold parameter value the coupled chaotic systems demonstrate generalized synchronization most of the time, but there are time intervals during which the synchronized oscillations are interrupted by non-synchronous bursts. This type of system behavior has been called intermittent generalized synchronization (IGS) by analogy with intermittent lag synchronization (ILS) (Phys. Rev. E 62 (2000) 7497).

05.45.Xt - Synchronization; coupled oscillators.
05.45.Tp - Time series analysis.

© EDP Sciences 2005