Suppression and recovery of spatiotemporal chaos in a ring of coupled oscillators with a single inactive site

The effect of a single inactive site is studied on spatiotemporal dynamics in a ring of locally coupled Stuart-Landau oscillators. An inactive site is where a damped oscillator is placed instead of an active (i.e. spontaneous) one. It is numerically shown that such a site suppresses spatiotemporal chaos (STC) in some region of a parameter plane. How STC recovers as a parameter is varied is elucidated by introducing some order parameters quantifying the degree of phase-locking and frequency synchronization between each active oscillator and the inactive one. Copyright (C) EPLA, 2009