Torus breakdown and noise-induced dynamics in the randomly driven Morse oscillator

Torus breakdown and noise-induced dynamics in the randomly driven Morse oscillator
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随机驱动莫尔斯振荡器中的环面击穿和噪声引起的动力学

DOI:
10.1088/1751-8113/43/12/125102
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发表时间:
2010-03
影响因子:
2.1
通讯作者:
Perc, Matjaz
Perc, Matjaz
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Wang, Qingyun;Gan, Chunbiao;Perc, Matjaz

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严格地说,对于随机驱动的哈密顿系统,KAM环面不再存在。通过将原系统转化为另一个作用角变量的系统,并引入Makarov等人提出的Poincaré映射,首次研究了随机驱动莫尔斯振子的环面破裂过程.为了表征这些嘈杂的动态,伪周期代理的方法,沿着的算法上的平均发散,被施加到评估的相关维度的原始数据和它们相应的代理。从随机驱动的莫尔斯振子中提取出两种噪声动力学。
Strictly, the KAM torus no longer exists for a randomly driven Hamiltonian system. We firstly investigate the process of torus breakdown in the randomly driven Morse oscillator by transforming the original system into another one in action-angle variables and introducing the specific Poincaré map by Makarov et al. Though the strength of random perturbations is large, some thick closed-like curves can still appear. To characterize these noisy dynamics, the pseudo-periodic surrogate approach, along with the algorithm on the mean divergence, is applied to evaluate the correlation dimensions of the original data and their corresponding surrogates. Two kinds of noisy dynamics are picked out from the randomly driven Morse oscillator.
DOI: 10.1088/0305-4470/39/3/003
发表时间: 2006-01
期刊: Journal of Physics A: Mathematical and General
影响因子: --
作者:
D. Makarov;M. Uleysky
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发表时间: 1992-10
期刊: Physical review. A, Atomic, molecular, and optical physics
影响因子: --
作者:
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发表时间: 1989-12-04
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通讯作者: SCHUSTER, HG
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发表时间: 1992-09-15
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影响因子: 4
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