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  Universality in spectral condensation

Pavithran, I., Unni, V. R., Varghese, A. J., Premraj, D., Sujith, R. I., Vijayan, C., Saha, A., Marwan, N., Kurths, J. (2020): Universality in spectral condensation. - Scientific Reports, 10, 17405.
https://doi.org/10.1038/s41598-020-73956-7

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 Creators:
Pavithran, Induja1, Author
Unni, Vishnu R.1, Author
Varghese, Alan J.1, Author
Premraj, D.1, Author
Sujith, R. I.1, Author
Vijayan, C.1, Author
Saha, Abhishek1, Author
Marwan, Norbert2, Author              
Kurths, Jürgen2, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Potsdam Institute for Climate Impact Research, ou_persistent13              

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 Abstract: Self-organization is the spontaneous formation of spatial, temporal, or spatiotemporal patterns in complex systems far from equilibrium. During such self-organization, energy distributed in a broadband of frequencies gets condensed into a dominant mode, analogous to a condensation phenomenon. We call this phenomenon spectral condensation and study its occurrence in fluid mechanical, optical and electronic systems. We define a set of spectral measures to quantify this condensation spanning several dynamical systems. Further, we uncover an inverse power law behaviour of spectral measures with the power corresponding to the dominant peak in the power spectrum in all the aforementioned systems.

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 Dates: 2020-10-152020-10-15
 Publication Status: Finally published
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41598-020-73956-7
MDB-ID: No data to archive
PIKDOMAIN: RD4 - Complexity Science
Research topic keyword: Nonlinear Dynamics
Model / method: Nonlinear Data Analysis
Organisational keyword: RD4 - Complexity Science
Working Group: Development of advanced time series analysis techniques
Working Group: Network- and machine-learning-based prediction of extreme events
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Title: Scientific Reports
Source Genre: Journal, SCI, Scopus, p3, OA
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Pages: - Volume / Issue: 10 Sequence Number: 17405 Start / End Page: - Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/journals2_395
Publisher: Springer Nature