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. 2016 Feb 24;6:21876. doi: 10.1038/srep21876

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The strength and the frequency of PDCEF are E₀ = 2.0, ω_e = 3.75, respectively.The central green spheres denote the obstacles with radius . The yellow line, i.e., the filament, represents the rotation center of the scroll wave. (a,b) show PDCEF induces spherical waves from the obstacle in a quiescent medium. (c,d) show the unsuccessful unpinning of the scroll wave by PDCEF.

Inline graphic — The strength and the frequency of PDCEF are E₀ = 2.0, ω_e = 3.75, respectively.The central green spheres denote the obstacles with radius . The yellow line, i.e., the filament, represents the rotation center of the scroll wave. (a,b) show PDCEF induces spherical waves from the obstacle in a quiescent medium. (c,d) show the unsuccessful unpinning of the scroll wave by PDCEF.