Aging transition and disorder-induced coherence in locally coupled oscillators

Aging transition (AT) is studied for a ring of locally coupled Suart-Landau oscillators such that a fraction of them chosen randomly is inactivated. An AT is a transition to a steady state observed when the ratio of inactive oscillators p exceeds a critical value pc. It is numerically shown that such a transition disappears for N -> infinity as 1 - p(c) proportional to N-gamma, where N is the system size and the exponent gamma depends on parameters. Moreover, it is found that the phase coherence of the system can improve by aging-induced disorder. Copyright (C) EPLA, 2008