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  Characterizing stochastic resonance in a triple cavity

Mei, R., Xu, Y., Li, Y., Kurths, J. (2021): Characterizing stochastic resonance in a triple cavity. - Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 379, 2198, 20200230.
https://doi.org/10.1098/rsta.2020.0230

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 Creators:
Mei , Ruoxing1, Author
Xu, Yong2, Author              
Li, Yongge2, Author
Kurths, Jürgen1, Author              
Affiliations:
1Potsdam Institute for Climate Impact Research, Potsdam, ou_persistent13              
2External Organizations, ou_persistent22              

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Free keywords: stochastic resonance, triple cavity, spectral amplification
 Abstract: Many biological systems possess confined structures, which produce novel influences on the dynamics. Here, stochastic resonance (SR) in a triple cavity that consists of three units and is subjected to noise, periodic force and vertical constance force is studied, by calculating the spectral amplification η numerically. Meanwhile, SR in the given triple cavity and differences from other structures are explored. First, it is found that the cavity parameters can eliminate or regulate the maximum of η and the noise intensity that induces this maximum. Second, compared to a double cavity with similar maximum/minimum widths and distances between two maximum widths as the triple cavity, η in the triple one shows a larger maximum. Next, the conversion of the natural boundary in the pure potential to the reflection boundary in the triple cavity will create the necessity of a vertical force to induce SR and lead to a decrease in the maximum of η. In addition, η monotonically decreases with the increase of the vertical force and frequency of the periodic force, while it presents several trends when increasing the periodic force’s amplitude for different noise intensities. Finally, our studies are extended to the impact of fractional Gaussian noise excitations. This article is part of the theme issue ‘Vibrational and stochastic resonance in driven nonlinear systems (part 2)’.

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Language(s): eng - English
 Dates: 2021-03-222021-04-122021-05-31
 Publication Status: Finally published
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: PIKDOMAIN: RD4 - Complexity Science
MDB-ID: No data to archive
Research topic keyword: Nonlinear Dynamics
DOI: 10.1098/rsta.2020.0230
Organisational keyword: RD4 - Complexity Science
 Degree: -

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Title: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
Source Genre: Journal, SCI, Scopus, p3
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Pages: - Volume / Issue: 379 (2198) Sequence Number: 20200230 Start / End Page: - Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/1509235
Publisher: The Royal Society