Phase-locked scroll waves defy turbulence induced by negative filament tension | Zendy

Teng-Chao Li | Zendy; Xiang Gao | Zendy; Feifei Zheng | Zendy; MeiChun Cai | Zendy; Bing-Wei Li | Zendy; Hong Zhang | Zendy; Hans Dierckx | Zendy

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Phase-locked scroll waves defy turbulence induced by negative filament tension

Author(s) -

Teng-Chao Li,

Xiang Gao,

Feifei Zheng,

MeiChun Cai,

Bing-Wei Li,

Hong Zhang,

Hans Dierckx

Publication year - 2016

Publication title -

physical review. e

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.896

H-Index - 304

eISSN - 2470-0053

pISSN - 2470-0045

DOI - 10.1103/physreve.93.012216

Subject(s) - scroll , turbulence , protein filament , physics , tension (geology) , instability , mechanics , vortex , phase (matter) , field (mathematics) , surface tension , classical mechanics , optics , materials science , thermodynamics , quantum mechanics , mathematics , archaeology , pure mathematics , composite material , history , moment (physics)

Scroll waves in a three-dimensional media may develop into turbulence due to negative tension of the filament. Such negative tension-induced instability of scrollwaves has been observed in the Belousov-Zhabotinsky reaction systems. Here we propose a method to restabilize scroll wave turbulence caused by negative tension in three-dimensional chemical excitable media using a circularly polarized (rotating) external field. The stabilization mechanism is analyzed in terms of phase-locking caused by the external field, which makes the effective filament tension positive. The phase-locked scrollwaves that have positive tension and higher frequency defy the turbulence and finally restore order. A linear theory for the change of filament tension caused by a generic rotating external field is presented and its predictions closely agree with numerical simulations

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