151,336 Hits in 5.9 sec

Self-organized synchronization of phonon lasers [article]

Jiteng Sheng, Xinrui Wei, Cheng Yang, Haibin Wu
2020 arXiv   pre-print
Here, we demonstrate the self-organized synchronization of phonon lasers in a two-membrane-in-the-middle optomechanical system.  ...  The probe of individual membrane enables to monitor the real-time transient dynamics of synchronization, which reveal that the system enters into the synchronization regime via torus birth bifurcation  ...  Consequently, the route to synchronization is experimentally investigated in an optomechanical system for the first time.  ... 
arXiv:2004.09154v1 fatcat:v5dichcjm5bfpo55noelptdpae

Synchronization of rules in membrane computing

Bogdan Aman, Gabriel Ciobanu
2019 Journal of Membrane Computing  
We modify the most used evolution strategy in membrane systems (namely that of maximal parallelism) by imposing a synchronization between rules.  ...  For membrane systems working in the accepting mode, this synchronization is powerful enough to provide the computational completeness without any other ingredient (no catalysts, promoters, inhibitors,  ...  According to our knowledge, this natural synchronization of the rules is for the first time defined and studied in membrane computing.  ... 
doi:10.1007/s41965-019-00022-1 fatcat:6pyyzfy6x5b7hoiku6d2lewgee

Synchronization dynamics of two nanomechanical membranes within a Fabry-Perot cavity

F. Bemani, Ali Motazedifard, R. Roknizadeh, M. H. Naderi, D. Vitali
2017 Physical Review A  
We focus on the system quantum dynamics in the parameter regime corresponding to synchronization of the classical motion of the two membranes.  ...  In this paper, we explore the synchronization dynamics of two membranes coupled to a common optical field within a cavity, and pumped with a strong blue-detuned laser drive.  ...  After a transient time ω 1 t ∼ 10 4 , the two membranes synchronize out of phase FIG. 3 . 3 Time evolution of the phase difference between the two membranes vs the scaled time ω 1 t for parameters (a  ... 
doi:10.1103/physreva.96.023805 fatcat:7eaje3ncyjf27cjoeunqheeeou

Self-synchronization of thermal phonons at equilibrium [article]

Zhongwei Zhang, Yangyu Guo, Marc Bescond, Jie Chen, Masahiro Nomura, Sebastian Volz
2020 arXiv   pre-print
Self-synchronization is a ubiquitous phenomenon in nature, in which oscillators are collectively locked in frequency and phase through mutual interactions.  ...  Our study provides a new perspective on self-synchronization and on the relationship between fluctuations and coherence.  ...  As shown in Fig. 1 (a), the system is composed of a set of pillar resonators and a membrane.  ... 
arXiv:2005.06711v1 fatcat:na7pxmapvbdexdyayqavhnv4ba

Lag synchronization of coupled time-delayed FitzHugh-Nagumo neural networks via feedback control

Malik Muhammad Ibrahim, Muhammad Ahmad Kamran, Malik Muhammad Naeem Mannan, Il Hyo Jung, Sangil Kim
2021 Scientific Reports  
More specifically, this study investigates the synchronization of time-delayed unidirectional and bidirectional ring-structured FHN neuronal systems with and without external noise.  ...  Synchronization plays a significant role in information transfer and decision-making by neurons and brain neural networks.  ...  Lag synchronization, introduced for drive and response systems and extensively studied, is defined as an overlapping of the shifted-in-time states of two systems with a positive constant.  ... 
doi:10.1038/s41598-021-82886-x pmid:33594138 pmcid:PMC7887243 fatcat:wmb7u3islvhctieoh3cmy2dmza


2008 International Journal of Foundations of Computer Science  
We consider the problem of synchronizing the activity of all the membranes of a P system.  ...  Both work in a time which is 3h, where h is the height of the tree defining the membrane structure of the considered P system. In the conclusion, we suggest various directions to continue this work.  ...  How to synchronize the activity of all components of a P system?  ... 
doi:10.1142/s0129054108006224 fatcat:stugbgthdvcb5fhwg4a7kupdwm

Chaos stabilizes synchronization in systems of coupled inner-ear hair cells [article]

Justin Faber, Hancheng Li, Dolores Bozovic
2020 arXiv   pre-print
This synchronization persists even for a large frequency dispersion and a large number of oscillators comprising the system.  ...  Consistent with the numerical simulations of the chaotic system, synchronization occurs even for large frequency dispersion and a large number of hair cells.  ...  ACKNOWLEDGMENTS The authors gratefully acknowledge support of NSF Biomechanics and Mechanobiology, under grant 1916136. The authors thank Dr.  ... 
arXiv:2012.04761v1 fatcat:c5utdifyhjeutixwuh6amli4gi

Robust Master-Slave Synchronization of Neuronal Systems

Hector Puebla, Eliseo Hernández-Martínez, Mariana Rodriguez-Jara, Cesar S. Lopez-Monsalvo
2017 Mathematical Problems in Engineering  
We introduce a simple and reliable robust synchronization approach for neuronal systems.  ...  The synchronization of neurons is a central topic in understanding the behavior of living organisms in neurosciences and has been addressed using concepts from control engineering.  ...  There are different types of synchronization for coupled systems [11] [12] [13] . In this paper, synchronization of neuronal systems is defined as the match of the membrane potential.  ... 
doi:10.1155/2017/7587294 fatcat:vgv3fb2bqrer3icwquxpnc6vmm

Dynamic Behaviors in Coupled Neuron System with the Excitatory and Inhibitory Autapse under Electromagnetic Induction

Ying Xu, Ya Jia, John Billy Kirunda, Jian Shen, Mengyan Ge, Lulu Lu, Qiming Pei
2018 Complexity  
Furthermore, there is a domain of coupling strength and feedback gain values, in which the two coupled neuron system is synchronized and longer time lag is not conducive to the system synchronization.  ...  The simulation results show that the two coupling modes play an important role in the synchronization of the system.  ...  This work was supported by the National Natural Science Foundation of China, under Grant nos. 11775091, 11474117, and 11605014.  ... 
doi:10.1155/2018/3012743 fatcat:zehkx5zuz5dm7d4ncqrbxtamjq

Spiral Wave In Networks Of Hodgkin-Huxley Neurons: Channel Noise-Induced Phase Transition

Rana*, Pratibha, Jyotsna Singh
2016 Zenodo  
A spiral wave in a little world network experiences insecurity all the more effectively as the membrane temperature is expanded to a specific high threshold.  ...  All neurons in the networks are combined with little world associations, and the outcomes are contrasted and the case for normal networks, in which all neurons are totally combined with closest neighbor  ...  vs. membrane patch (channel noise) within a transient period of about 2000 time units for membrane temperature T = 6.3°C (a) and T = 16.3°C (b).  ... 
doi:10.5281/zenodo.50385 fatcat:ttdv7txunrcq3cn3cyunzar7ky

Role of chemical synapses in coupled neurons with noise

Pablo Balenzuela, Jordi García-Ojalvo
2005 Physical Review E  
Finally, we report on the existence of a system-size coherence resonance in this locally coupled system, exhibited by the average membrane potential of the array.  ...  ): in the case of (nonlinear) chemical coupling, we observe a substantial increase in the stochastic coherence of the system, in comparison with (linear) electrical coupling.  ...  P.B. acknowledges financial support from the Fundación Antorchas (Argentina), and  ... 
doi:10.1103/physreve.72.021901 pmid:16196598 fatcat:wiou23qc6bhofbcc5ttbngdvji

Bursting and Synchronization of Coupled Neurons under Electromagnetic Radiation

Xiaoyu Hu, Chongxin Liu
2019 Complexity  
For no-identical coupled neurons, only anti-phase synchronization and in-phase synchronization can be reached.  ...  Extensive numerical simulation results show that the improved neuron model can produce different types of bursting, and bursting activity shows a deep dependence on system parameters and electromagnetic  ...  F 4 : 4 Sampled time series for membrane potential and phase diagrams when the system parameters are selected as = 0, bursting activity.  ... 
doi:10.1155/2019/4835379 fatcat:3ibjexguffcrdapgsetmpul7q4

Modulation of excitatory synaptic coupling facilitates synchronization and complex dynamics in a nonlinear model of neuronal dynamics

Michael Breakspear, John R. Terry, Karl J. Friston
2003 Neurocomputing  
We study dynamical synchronization in a model of a neural system constituted by local networks of densely interconnected excitatory and inhibitory neurons.  ...  With modulation of this long-range synaptic coupling the system undergoes a transition from independent oscillations to chaotic synchronization.  ...  to this manifold-in other words, the time-average tendency for the two systems to synchronize or separate.  ... 
doi:10.1016/s0925-2312(02)00740-3 fatcat:lmsoxgcxqjah7ll4wpyk7fq4de

Effects of Time Delay on Chaotic Neuronal Discharges

Wuyin Jin, Ruicheng Feng, Zhiyuan Rui, Aihua Zhang
2010 Mathematical and Computational Applications  
Furthermore, two coupled HR neuronal system could be fully synchronized under certain coupled strength and delay time.  ...  For an individual neuron, with the scaling delay time and synaptic intensity, neuronal firing pattern's transform among tonic spiking, busting and resting firing state, and the neuronal chaotic spike could  ...  Fig.2 Time series and membrane potential correlation between coupled two neurons: anti-synchronization and complete synchronization at small coupling strengths ε = 0.4 ms -1 . a) x 1 (dot line) and x  ... 
doi:10.3390/mca15050840 fatcat:mobhw425vbcdpbowdo3moeipum

Channel noise effects on neural synchronization

Brenton Maisel, Katja Lindenberg
2019 Physica A: Statistical Mechanics and its Applications  
The standard assumption of infinitely many channels neglects the fact that real neurons have finitely many channels, which leads to fluctuations in the membrane voltage and modifies neuronal spike times  ...  Synchronization in neural networks is believed to be linked to cognitive processes, while abnormal synchronization has been associated with disorders such as epilepsy and schizophrenia.  ...  We also wish to acknowledge Patrick Fitzsimmons for his help in deriving a formula for the steady state synchronization level, and Sadique Sheik for his assistance in developing numerical simulations.  ... 
doi:10.1016/j.physa.2019.123186 fatcat:cpxllg6xcvdbbnmquinsuen2hm
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