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Symmetry-breaking mechanism for the formation of cluster chimera patterns - imarina:9242971

Autor/s de la URV:Arenas Moreno, Alejandro
Autor segons l'article:Asllani, Malbor; Siebert, Bram A; Arenas, Alex; Gleeson, James P
Adreça de correu electrònic de l'autor:alexandre.arenas@urv.cat
Identificador de l'autor:0000-0003-0937-0334
Any de publicació de la revista:2022
Tipus de publicació:Journal Publications
Referència de l'ítem segons les normes APA:Asllani, Malbor; Siebert, Bram A; Arenas, Alex; Gleeson, James P (2022). Symmetry-breaking mechanism for the formation of cluster chimera patterns. Chaos, 32(1), 013107-. DOI: 10.1063/5.0060466
Referència a l'article segons font original:Chaos. 32 (1): 013107-
Resum:The emergence of order in collective dynamics is a fascinating phenomenon that characterizes many natural systems consisting of coupled entities. Synchronization is such an example where individuals, usually represented by either linear or nonlinear oscillators, can spontaneously act coherently with each other when the interactions' configuration fulfills certain conditions. However, synchronization is not always perfect, and the coexistence of coherent and incoherent oscillators, broadly known in the literature as chimera states, is also possible. Although several attempts have been made to explain how chimera states are created, their emergence, stability, and robustness remain a long-debated question. We propose an approach that aims to establish a robust mechanism through which cluster synchronization and chimera patterns originate. We first introduce a stability-breaking method where clusters of synchronized oscillators can emerge. At variance with the standard approach where synchronization arises as a collective behavior of coupled oscillators, in our model, the system initially sets on a homogeneous fixed-point regime, and, only due to a global instability principle, collective oscillations emerge. Following a combination of the network modularity and the model's parameters, one or more clusters of oscillators become incoherent within yielding a particular class of patterns that we here name cluster chimera states.& nbsp;(c) 2022 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
DOI de l'article:10.1063/5.0060466
Enllaç font original:https://aip.scitation.org/doi/10.1063/5.0060466
Versió de l'article dipositat:info:eu-repo/semantics/publishedVersion
Accès a la llicència d'ús:https://creativecommons.org/licenses/by/3.0/es/
Departament:Enginyeria Informàtica i Matemàtiques
URL Document de llicència:https://repositori.urv.cat/ca/proteccio-de-dades/
Àrees temàtiques:Statistical and nonlinear physics
Physics, mathematical
Physics and astronomy (miscellaneous)
Physics and astronomy (all)
Medicine (miscellaneous)
Medicina veterinaria
Medicina ii
Mathematics, applied
Mathematical physics
Matemática / probabilidade e estatística
Interdisciplinar
Geociências
General physics and astronomy
Engenharias iv
Engenharias iii
Engenharias ii
Engenharias i
Ciências ambientais
Ciência da computação
Astronomia / física
Applied mathematics
Paraules clau:Synchronization
States
Instability
Entitat:Universitat Rovira i Virgili
Data d'alta del registre:2024-09-28
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