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Universality in spectral condensation
Pavithran I., Unni V.R., Alan J. Varghese, Premraj D., , , Saha A., Marwan N., Kurths J.
Published in Nature
PMID: 33060639
Volume: 10
Issue: 1
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. © 2020, The Author(s).
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