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  Features of chaotic transients in excitable media governed by spiral and scroll waves

Lilienkamp, T., Christoph, J., & Parlitz, U. (2017). Features of chaotic transients in excitable media governed by spiral and scroll waves. Physical Review Letters, 119(5): 054101. doi:10.1103/PhysRevLett.119.054101.

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 Creators:
Lilienkamp, Thomas1, Author           
Christoph, Jan1, Author           
Parlitz, Ulrich1, Author           
Affiliations:
1Research Group Biomedical Physics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063288              

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 Abstract: In excitable media, chaotic dynamics governed by spiral or scroll waves is often not persistent but transient. Using extensive simulations employing different mathematical models we identify a specific type-II supertransient by an exponential increase of transient lifetimes with the system size in 2D and an investigation of the dynamics (number and lifetime of spiral waves, Kaplan-Yorke dimension). In 3D, simulations exhibit an increase of transient lifetimes and filament lengths only above a critical thickness. Finally, potential implications for understanding cardiac arrhythmias are discussed.

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Language(s): eng - English
 Dates: 2017-07-312017-08-04
 Publication Status: Issued
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 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.119.054101
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Title: Physical Review Letters
Source Genre: Journal
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Pages: 5 Volume / Issue: 119 (5) Sequence Number: 054101 Start / End Page: - Identifier: -