4.4 Article

Route to hyperchaos and chimera states in a network of modified Hindmarsh-Rose neuron model with electromagnetic flux and external excitation

期刊

EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS
卷 229, 期 6-7, 页码 929-942

出版社

SPRINGER HEIDELBERG
DOI: 10.1140/epjst/e2020-900247-7

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资金

  1. Natural Science Foundation of China [61901530, 11747150]
  2. Hunan Double First-class Discipline Key Scientific Research Foundation [18A386]
  3. China Postdoctoral Science Foundation [2019M652791]
  4. Postdoctoral Innovative Talents Support Program [BX20180386]

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Analyzing the chaos and bursting phenomenon of neurons has been of interest in the past decade. In this paper, we discuss an extended Hindmarsh-Rose neuron model by taking into consideration the slowly interacting cell phenomenon due to the calcium ions. In the extended model, we consider the effect of an external forcing current, and the electromagnetic coupling between the magnetic flux and the membrane potential of the neuron. We analyze the modified neuron model in the presence of periodic and quasi-periodic excitations. A more complex chaotic behavior (hyperchaos) is identified in the neuron model. The results also demonstrate the multistable nature, which was not explored earlier. To discuss the dynamical behavior of the modified neuron in a network, we construct a ring network of neurons and capture the spatiotemporal patterns of the neuron in the network, in the presence of different excitations.

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