PMID: 15244536Jul 13, 2004Paper

Noise-enhanced stability in fluctuating metastable states

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
Alexander A DubkovBernardo Spagnolo

Abstract

We derive general equations for the nonlinear relaxation time of Brownian diffusion in randomly switching potential with a sink. For piece-wise linear dichotomously fluctuating potential with metastable state, we obtain the exact average lifetime as a function of the potential parameters and the noise intensity. Our result is valid for arbitrary white noise intensity and for arbitrary fluctuation rate of the potential. We find noise enhanced stability phenomenon in the system investigated: The average lifetime of the metastable state is greater than the time obtained in the absence of additive white noise. We obtain the parameter region of the fluctuating potential where the effect can be observed. The system investigated also exhibits a maximum of the lifetime as a function of the fluctuation rate of the potential.

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Citations

Feb 15, 2013·The Journal of Chemical Physics·Nicola PizzolatoBernardo Spagnolo
Aug 1, 2016·Chaos·Larissa SerdukovaJürgen Kurths
May 17, 2017·Physical Review. E·Luca MagazzùDavide Valenti
Dec 13, 2006·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Alessandro FiasconaroEwa Gudowska-Nowak
Mar 16, 2007·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Giovanni BonannoBernardo Spagnolo
Nov 13, 2009·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Alessandro Fiasconaro, Bernardo Spagnolo
May 21, 2010·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Yuriy V UshakovBernardo Spagnolo
Jan 15, 2011·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Alessandro FiasconaroFernando Falo
Sep 26, 2012·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·R Salgado-García
Feb 2, 2013·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·J I Jiménez-Aquino, M Romero-Bastida
Sep 15, 2012·Journal of the Royal Society, Interface·Yoshihiko Hasegawa, Masanori Arita
Jul 18, 2018·Physical Review. E·Meng Hu, Jing-Dong Bao
Feb 20, 2020·Physical Review. E·Igor PetrovićMiroljub Dugić
Jul 18, 2018·Physical Review. E·Davide ValentiBernardo Spagnolo
Mar 16, 2007·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Guozhu SunDingyu Xing
Jan 15, 2011·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Alessandro FiasconaroBernardo Spagnolo
Nov 21, 2020·Physical Review. E·Alexander A DubkovDavide Valenti
May 24, 2011·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Alessandro Fiasconaro, Bernardo Spagnolo
Feb 21, 2006·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·A FiasconaroS Boccaletti
Jul 16, 2013·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Yang TangJürgen Kurths
Sep 3, 2021·Chaos·Karol Capała, Bartłomiej Dybiec

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