Tipping phenomena in typical dynamical systems subjected to parameter drift

Bálint Kaszás, Ulrike Feudel, T. Tél

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2 Citations (Scopus)

Abstract

Tipping phenomena, i.e. dramatic changes in the possible long-term performance of deterministic systems subjected to parameter drift, are of current interest but have not yet been explored in cases with chaotic internal dynamics. Based on the example of a paradigmatic low-dimensional dissipative system subjected to different scenarios of parameter drifts of non-negligible rates, we show that a number of novel types of tippings can be observed due to the topological complexity underlying general systems. Tippings from and into several coexisting attractors are possible, and one can find fractality-induced tipping, the consequence of the fractality of the scenario-dependent basins of attractions, as well as tipping into a chaotic attractor. Tipping from or through an extended chaotic attractor might lead to random tipping into coexisting regular attractors, and rate-induced tippings appear not abruptly as phase transitions, rather they show up gradually when the rate of the parameter drift is increased. Since chaotic systems of arbitrary time-dependence call for ensemble methods, we argue for a probabilistic approach and propose the use of tipping probabilities as a measure of tipping. We numerically determine these quantities and their parameter dependence for all tipping forms discussed.

Original languageEnglish
Article number8654
JournalScientific reports
Volume9
Issue number1
DOIs
Publication statusPublished - Dec 1 2019

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Phase Transition

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Tipping phenomena in typical dynamical systems subjected to parameter drift. / Kaszás, Bálint; Feudel, Ulrike; Tél, T.

In: Scientific reports, Vol. 9, No. 1, 8654, 01.12.2019.

Research output: Contribution to journalArticle

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