Resonant phase patterns in a reaction-diffusion system

Resonant phase patterns in a reaction-diffusion system
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DOI:
10.1103/physrevlett.84.4240
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发表时间:
2000-05-01
影响因子:
8.6
通讯作者:
Carey, GF
Carey, GF
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
Lin, AL;Bertram, M;Carey, GF

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在空间扩展的周期性强迫Belousov-Zhabutinsky系统的实验中,观察到了类似于单振荡器频率锁定中发现的Arnol'd舌的共振区域。我们确定了六个不同的2:1次谐波共振模式,并描述它们的位置依赖的相位和幅度的振荡。一些实验观察到的功能也被发现在数值研究中的强制扩散反应扩散模型。
Resonance regions similar to the Arnol'd tongues found in single oscillator frequency locking are observed in experiments using a spatially extended periodically forced Belousov-Zhabutinsky system. We identify six distinct 2:1 subharmonic resonant patterns and describe them in terms of the position-dependent phase and magnitude of the oscillations. Some experimentally observed features are also found in numerical studies of a forced Brusselator reaction-diffusion model.