Journal
EPL
Volume 110, Issue 6, Pages -Publisher
EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
DOI: 10.1209/0295-5075/110/60003
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Funding
- SERB, Department of Science and Technology (DST), India [SB/FTP/PS-005/2013]
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Recently a novel dynamical state, called the chimera death, has been discovered in a network of nonlocally coupled identical oscillators (ZAKHAROVA A., KAPELLER M. and SCHOLL E., Phys. Rev. Lett., 112 (2014) 154101), which is defined as the coexistence of spatially coherent and incoherent oscillation death state. This state arises due to the interplay of nonlocality and symmetry breaking and thus it bridges the gap between two important dynamical states, namely the chimera and oscillation death. In this paper we show that the chimera death can be induced in a network of generic identical oscillators with mean-field diffusive coupling and thus we establish that a nonlocal coupling is not essential to obtain chimera death. We identify a new transition route to the chimera death state, namely the transition from in-phase synchronized oscillation to chimera death via global amplitude death state. We ascribe the occurrence of chimera death to the bifurcation structure of the network in the limiting condition and show that multi-cluster chimera death states can be achieved by a proper choice of initial conditions. Copyright (C) EPLA, 2015
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