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Title:Chimera states in uncoupled neurons induced by a multilayer structure
Authors:ID Majhi, Soumen (Author)
ID Perc, Matjaž (Author)
ID Ghosh, Dibakar (Author)
Files:.pdf Scientific_Reports_2016_Majhi,_Perc,_Ghosh_Chimera_states_in_uncoupled_neurons_induced_by_a_multilayer_structure.pdf (1,40 MB)
MD5: BD496394AA0D54B83F7888E684EC2FDE
 
URL http://www.nature.com/articles/srep39033
 
Language:English
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FNM - Faculty of Natural Sciences and Mathematics
Abstract:Spatial coexistence of coherent and incoherent dynamics in network of coupled oscillators is called a chimera state. We study such chimera states in a network of neurons without any direct interactions but connected through another medium of neurons, forming a multilayer structure. The upper layer is thus made up of uncoupled neurons and the lower layer plays the role of a medium through which the neurons in the upper layer share information among each other. Hindmarsh-Rose neurons with square wave bursting dynamics are considered as nodes in both layers. In addition, we also discuss the existence of chimera states in presence of inter layer heterogeneity. The neurons in the bottom layer are globally connected through electrical synapses, while across the two layers chemical synapses are formed. According to our research, the competing effects of these two types of synapses can lead to chimera states in the upper layer of uncoupled neurons. Remarkably, we find a density-dependent threshold for the emergence of chimera states in uncoupled neurons, similar to the quorum sensing transition to a synchronized state. Finally, we examine the impact of both homogeneous and heterogeneous inter-layer information transmission delays on the observed chimera states over a wide parameter space.
Keywords:complex networks, computational biophysics, nonlinear phenomena, statistical physics
Publication status:Published
Publication version:Version of Record
Submitted for review:06.09.2016
Year of publishing:2016
Number of pages:str. 1-11
Numbering:Letn. 6
PID:20.500.12556/DKUM-66392 New window
ISSN:2045-2322
UDC:53
ISSN on article:2045-2322
COBISS.SI-ID:22862600 New window
DOI:10.1038/srep39033 New window
NUK URN:URN:SI:UM:DK:3YSHSGYS
Publication date in DKUM:23.06.2017
Views:1207
Downloads:446
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
MAJHI, Soumen, PERC, Matjaž and GHOSH, Dibakar, 2016, Chimera states in uncoupled neurons induced by a multilayer structure. Scientific reports [online]. 2016. Vol. 6, p. 1–11. [Accessed 13 April 2025]. DOI 10.1038/srep39033. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=66392
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Record is a part of a journal

Title:Scientific reports
Shortened title:Sci. rep.
Publisher:Nature Publishing Group
ISSN:2045-2322
COBISS.SI-ID:18727432 New window

Document is financed by a project

Funder:ARRS - Slovenian Research Agency
Project number:P5-0027
Name:Prilagajanje slovenskega gospodarstva in razvojna identiteta Slovenije v EU

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:23.06.2017

Secondary language

Language:Slovenian
Keywords:kompleksne mreže, računska biofizika, nelinearni pojavi, statistična fizika


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