20.500.12556/DKUM-66392 Chimera states in uncoupled neurons induced by a multilayer structure 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. complex networks computational biophysics nonlinear phenomena statistical physics kompleksne mreže računska biofizika nelinearni pojavi statistična fizika true true true Angleški jezik Slovenski jezik Članek v reviji 2017-06-23 10:02:43 2017-06-23 10:03:59 2024-09-02 14:19:36 2019-07-11 15:45:56 2016 0 0 str. 1-11 Letn. 6 2016 0000-00-00 Zaloznikova Objavljeno NiDoloceno 2016-09-06 0000-00-00 0000-00-00 2045-2322 53 18727432 22862600 10.1038/srep39033 2045-2322 URN:SI:UM:DK:3YSHSGYS Scientific_Reports_2016_Majhi,_Perc,_Ghosh_Chimera_states_in_uncoupled_neurons_induced_by_a_multilayer_structure.pdf Scientific_Reports_2016_Majhi,_Perc,_Ghosh_Chimera_states_in_uncoupled_neurons_induced_by_a_multilayer_structure.pdf 1 BD496394AA0D54B83F7888E684EC2FDE c4f90e26e4e15c5cb2b6e0eed28d5d17e6765d42b6812db3716a71efbf6cfcde 498c41f8-7c0e-11eb-bb7a-00155d0001ca https://dk.um.si/Dokument.php?lang=slv&id=112998 http://www.nature.com/articles/srep39033 1 https://dk.um.si/Dokument.php?lang=slv&id=112997 Fakulteta za naravoslovje in matematiko 0 0 0