Noise induced escape from a nonhyperbolic chaotic attractor of a periodically driven nonlinear oscillator

Z Chen, Y Li, X Liu - Chaos: An Interdisciplinary Journal of Nonlinear …, 2016 - pubs.aip.org
Noise induced escape from the domain of attraction of a nonhyperbolic chaotic attractor in a
periodically excited nonlinear oscillator is investigated. The general mechanism of the …

[HTML][HTML] On the exit behaviors of non-Gaussian stochastic dynamical systems based on large deviation theory

LI Yang, Z Feng, LIU Xianbin - 力学进展, 2022 - lxjz.cstam.org.cn
This paper introduces the basic ideas of large deviation theory and its applications in the
study of exit problems of non-Gaussian stochastic dynamical systems. According to different …

Proliferation of unstable states and their impact on stochastic out-of-equilibrium dynamics in two coupled Kerr parametric oscillators

TL Heugel, R Chitra, A Eichler, O Zilberberg - Physical Review E, 2024 - APS
Networks of nonlinear parametric resonators are promising candidates as Ising machines for
annealing and optimization. These many-body out-of-equilibrium systems host complex …

Hyperbolic periodic orbits in nongradient systems and small-noise-induced metastable transitions

M Tao - Physica D: Nonlinear Phenomena, 2018 - Elsevier
Small noise can induce rare transitions between metastable states, which can be
characterized by Maximum Likelihood Paths (MLPs). Nongradient systems contrast gradient …

Study of noise-induced transitions in the Lorenz system using the minimum action method

X Zhou, WE - 2010 - projecteuclid.org
We investigate noise-induced transitions in non-gradient systems when complex invariant
sets emerge. Our example is the Lorenz system in three representative Rayleigh number …

Quasipotential approach to critical scaling in noise-induced chaos

T Tél, YC Lai - Physical Review E—Statistical, Nonlinear, and Soft …, 2010 - APS
When a dynamical system exhibits transient chaos and a nonchaotic attractor, as in a
periodic window, noise can induce a chaotic attractor. In particular, when the noise …

[HTML][HTML] 基于大偏差理论非高斯随机动力系统离出行为研究

李扬, 赵锋, 刘先斌 - 力学进展, 2022 - lxjz.cstam.org.cn
本文介绍了大偏差理论的基本思想及其在非高斯随机动力系统的离出问题研究中的应用.
依据不同的非高斯噪声类型, 本文分别评述了随机混合系统, 指数轻跳跃过程和$\alpha …

Noise induced escape from stable invariant tori

F Zhao, Y Li, X Liu - Journal of Statistical Mechanics: Theory and …, 2022 - iopscience.iop.org
In the present paper, the noise-induced escape from stable invariant tori with the frame of
general Langevin dynamics is investigated under weak random perturbations. Based on the …

Nonlinear stochastic dynamics research on a Lorenz system with white Gaussian noise based on a quasi‐potential approach

Y Huang - International Journal of Mechanical System …, 2023 - Wiley Online Library
Environmental noise can lead to complex stochastic dynamical behaviors in nonlinear
systems. In this paper, a Lorenz system with the parameter region with two stable fixed …

Subtle escaping modes and subset of patterns from a nonhyperbolic chaotic attractor

Z Chen, X Liu - Physical Review E, 2017 - APS
Noise-induced escape from the domain of attraction of a nonhyperbolic chaotic attractor in a
periodically excited nonlinear oscillator is further investigated. Deviations are found to be …