| Average Synchronization and Temporal Order in a Noisy Neuronal Network with Coupling Delay |
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| 作者姓名： | 王青云 段志生 陆启韶 |
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| 作者单位： | [1]State Key Laboratory for Turbulence and Complex Systems, Department of Mechanics and Aerospace Engineering College of Engineering, Peking University, Beijing 100871 [2]Department of Statistics and Mathematics, Inner Mongolia Finance and Economics College, Huhhot 010051 [3]School of Science, Beijing University of Aeronautics and Astronautics, Beijing 100083 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant Nos 60674093 and 10432010, and the Postdoctoral Foundation of Higher Education of China under Grant No 20070410022. |
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| 摘 要： |
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| 关 键 词： | 湍流 流变学 流体 蠕流 |
| 收稿时间： | 2007-6-18 |
| 修稿时间： | 2007-06-18 |
Average Synchronization and Temporal Order in a Noisy Neuronal Network with Coupling Delay |
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| WANG Qing-Yun,DUAN Zhi-Sheng,LU Qi-Shao.Average Synchronization and Temporal Order in a Noisy Neuronal Network with Coupling Delay[J].Chinese Physics Letters,2007,24(10):2759-2761. |
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| Authors: | WANG Qing-Yun DUAN Zhi-Sheng LU Qi-Shao |
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| Institution: | 1. State Key Laboratory for Turbulence and Complex Systems, Department of Mechanics and Aerospace Engineering College of Engineering, Peking University, Beijing 100871; 2.Department of Statistics and Mathematics, Inner Mongolia Finance and Economics College, Huhhot 010051; 3.School of Science, Beijing University of Aeronautics and Astronautics, Beijing 100083 |
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| Abstract: | Average synchronization and temporal order characterized by the rate of firing are studied in a spatially extended network system with the coupling time delay, which is locally modelled by a two-dimensional Rulkov map neuron. It is shown that there exists an optimal noise level, where average synchronization and temporal order are maximum irrespective of the coupling time delay. Furthermore, it is found that temporal order is weakened when the coupling time delay appears. However, the coupling time delay has a twofold effect on average synchronization, one associated with its increase, the other with its decrease. This clearly manifests that random perturbations and time delay play a complementary role in synchronization and temporal order. |
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| Keywords: | 05 45 -a 05 45 Xt |
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