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  Terminating transient chaos in spatially extended systems

Lilienkamp, T., & Parlitz, U. (2020). Terminating transient chaos in spatially extended systems. Chaos, 30: 051108. doi:10.1063/5.0011506.

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 Urheber:
Lilienkamp, Thomas1, Autor           
Parlitz, Ulrich1, Autor           
Affiliations:
1Research Group Biomedical Physics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063288              

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 Zusammenfassung: In many real-life systems, transient chaotic dynamics plays a major role. For instance, the chaotic spiral or scroll wave dynamics of electrical
excitation waves during life-threatening cardiac arrhythmias can terminate by itself. Epileptic seizures have recently been related to the collapse of transient chimera states. Controlling chaotic transients, either by maintaining the chaotic dynamics or by terminating it as quickly as
possible, is often desired and sometimes even vital (as in the case of cardiac arrhythmias). We discuss in this study that the difference of the
underlying structures in state space between a chaotic attractor (persistent chaos) and a chaotic saddle (transient chaos) may have significant
implications for efficient control strategies in real life systems. In particular, we demonstrate that in the latter case, chaotic dynamics in spatially extended systems can be terminated via a relatively low number of (spatially and temporally) localized perturbations. We demonstrate
as a proof of principle that control and targeting of high-dimensional systems exhibiting transient chaos can be achieved with exceptionally
small interactions with the system. This insight may impact future control strategies in real-life systems like cardiac arrhythmias.

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 Datum: 2020-05-282020
 Publikationsstatus: Erschienen
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 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: Expertenbegutachtung
 Identifikatoren: DOI: 10.1063/5.0011506
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Titel: Chaos
  Andere : Chaos : an interdisciplinary journal of nonlinear science
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Woodbury, NY : American Institute of Physics
Seiten: 7 Band / Heft: 30 Artikelnummer: 051108 Start- / Endseite: - Identifikator: ISSN: 1054-1500
CoNE: https://pure.mpg.de/cone/journals/resource/954922836228