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Journal Article

Universality in spectral condensation

Authors

Pavithran,  Induja
External Organizations;

Unni,  Vishnu R.
External Organizations;

Varghese,  Alan J.
External Organizations;

Premraj,  D.
External Organizations;

Sujith,  R. I.
External Organizations;

Vijayan,  C.
External Organizations;

Saha,  Abhishek
External Organizations;

/persons/resource/Marwan

Marwan,  Norbert
Potsdam Institute for Climate Impact Research;

/persons/resource/Juergen.Kurths

Kurths,  Jürgen
Potsdam Institute for Climate Impact Research;

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Fulltext (public)

24990oa.pdf
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Citation

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


Cite as: https://publications.pik-potsdam.de/pubman/item/item_24990
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.