2017
DOI: 10.1140/epjst/e2017-70007-1
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Multiple scroll wave chimera states

Abstract: We report the appearance of three-dimensional (3D) multiheaded chimera states that display cascades of self-organized spatiotemporal patterns of coexisting coherence and incoherence. We demonstrate that the number of incoherent chimera domains can grow additively under appropriate variations of the system parameters generating thereby head-adding cascades of the scroll wave chimeras. The phenomenon is derived for the Kuramoto model of N identical phase oscillators placed in the unit 3D cube with periodic bound… Show more

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Cited by 21 publications
(10 citation statements)
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“…Top hat kernels. A large number of numerical results [32,33], including sketches of stability diagrams, were obtained for model (5) with the so-called piecewise constant, or top-hat kernel  p s ps ps where σä(0, 1) is the coupling radius. Along with the chimera patterns from tables 1 and 2 and their multiple analogs, remarkable new states, called knotted and linked chimeras, were found in this model [31,33].…”
Section: Other Coupling Kernelsmentioning
confidence: 99%
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“…Top hat kernels. A large number of numerical results [32,33], including sketches of stability diagrams, were obtained for model (5) with the so-called piecewise constant, or top-hat kernel  p s ps ps where σä(0, 1) is the coupling radius. Along with the chimera patterns from tables 1 and 2 and their multiple analogs, remarkable new states, called knotted and linked chimeras, were found in this model [31,33].…”
Section: Other Coupling Kernelsmentioning
confidence: 99%
“…A large number of numerical results [32,33], including sketches of stability diagrams, were obtained for model (5) with the so-called piecewise constant, or top-hat kernel  p s ps ps where σä(0, 1) is the coupling radius. Along with the chimera patterns from tables 1 and 2 and their multiple analogs, remarkable new states, called knotted and linked chimeras, were found in this model [31,33]. Note, however, that the top-hat kernel has a Fourier series with infinitely many terms, so that the analysis of the corresponding self-consistency equation (14) and especially of the corresponding eigenvalue problem(24) requires a significant computational effort that is beyond the scope of the present work.…”
Section: Other Coupling Kernelsmentioning
confidence: 99%
See 1 more Smart Citation
“…Chi-mera states have been realized using a number of neuron models, such as the FitzHugh-Nagumo model [19,24,[32][33][34][35], the Hindmarsh-Rose model of bursting neurons [20-22, 29, 36-39], the LIF model [34,[40][41][42][43][44] and others. More recent studies include simulations of chime-ra arXiv:1807.11843v2 [nlin.PS] 13 Oct 2018 states in 2D lattices [34,38] and 3D spatial dimensions [34,39,[44][45][46]. Another striking synchronization example is the subthreshold oscillations: the network splits into two coexisting domains, one domain where all elements perform small-amplitude oscillations at subthreshold values and one domain where the incoherent elements develop a multileveled mean phase velocity distribution [43].…”
Section: Introductionmentioning
confidence: 99%
“…To solve this question the authors study coherence-incoherence transitions in ensembles of non-locally coupled Hénon and Lozi maps, describe their similarities and fundamental differences and find that completely synchronized chaos exists in both systems for dominant coupling, as does desynchronized spatio-temporal chaos for weak coupling. In [16] Maistrenko et al study the effects of non-local coupling in three-dimensional networks of Kuramoto phase oscillators and investigate conditions for the emergence and stability of scroll wave chimeras. As a result of their demanding numerical simulations they find complex chimera states in three dimensions (Hopf links and trefoils) that exist only for nonlocal coupling and sufficiently large phase shift between oscillators.…”
mentioning
confidence: 99%