Path integral solutions of the governing equation of SDEs excited by Lévy white noise

Y Xu, W Zan, W Jia, J Kurths - Journal of Computational Physics, 2019 - Elsevier
In this paper, the probability density functions (PDFs) of scalar stochastic differential
equations (SDEs) subject to α-stable Lévy white noise are investigated. The path integral …

Slowing down critical transitions via Gaussian white noise and periodic force

JZ Ma, Y Xu, W Xu, YG Li, J Kurths - Science China Technological …, 2019 - Springer
Stochastic perturbations and periodic excitations are generally regarded as sources to
induce critical transitions in complex systems. However, we find that they are also able to …

Statistical solution to SDEs with -stable Lévy noise via deep neural network

H Zhang, Y Xu, Y Li, J Kurths - International Journal of Dynamics and …, 2020 - Springer
The probability density function of the stochastic differential equations with α α-stable Lévy
noise is determined by the deterministic fractional Fokker–Planck (FFP) equation with the …

Heterogeneous diffusion processes and nonergodicity with Gaussian colored noise in layered diffusivity landscapes

Y Xu, X Liu, Y Li, R Metzler - Physical Review E, 2020 - APS
Heterogeneous diffusion processes (HDPs) with space-dependent diffusion coefficients D
(x) are found in a number of real-world systems, such as for diffusion of macromolecules or …

A new Gaussian approximate filter with colored non-stationary heavy-tailed measurement noise

C Shan, W Zhou, Z Jiang, H Shan - Digital Signal Processing, 2022 - Elsevier
The filtering issue of a nonlinear system with colored non-stationary heavy-tailed
measurement noise (CNSHMN) is addressed in this study via designing a new Gaussian …

Roughness-enhanced transport in a tilted ratchet driven by Lévy noise

Y Li, Y Xu, J Kurths - Physical Review E, 2017 - APS
The enhanced transport of particles by roughness in a tilted rough ratchet potential subject
to a Lévy noise is investigated in this paper. Due to the roughness, the transport process …

First-passage-time distribution in a moving parabolic potential with spatial roughness

Y Li, Y Xu, J Kurths - Physical Review E, 2019 - APS
In this paper, we investigate the first-passage-time distribution (FPTD) within a time-
dependent parabolic potential in the presence of roughness with two methods: the Kramers …

Roughness in the periodic potential induces absolute negative mobility in a driven Brownian ratchet

A GR, D Barik - Physical Review E, 2022 - APS
Absolute negative mobility, where particles move opposite to the direction as governed by
the external load, is an anomalous transport property of a Brownian ratchet and has …

Noise-induced stochastic switching of microcargoes transport in artificial microtubule

X Zheng, Y Li, J Kurths, Y Xu - Chaos: An Interdisciplinary Journal of …, 2024 - pubs.aip.org
Synchronization plays an important role in propelling microrobots, especially for those
driven by an external magnetic field. Here, we substantially contribute to the understanding …

Lévy noise-driven escape from arctangent potential wells

K Capała, A Padash, AV Chechkin, B Shokri… - … Journal of Nonlinear …, 2020 - pubs.aip.org
The escape from a potential well is an archetypal problem in the study of stochastic
dynamical systems, representing real-world situations from chemical reactions to leaving an …