Wave Propagation in Subexcitable Media with Periodically Modulated Excitability | Zendy

I. Sendiña–Nadal | Zendy; Eugene Mihaliuk | Zendy; Jichang Wang | Zendy; V. PérezMuñuzuri | Zendy; Kenneth Showalter | Zendy

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Wave Propagation in Subexcitable Media with Periodically Modulated Excitability

Author(s) -

I. Sendiña–Nadal,

Eugene Mihaliuk,

Jichang Wang,

V. PérezMuñuzuri,

Kenneth Showalter

Publication year - 2001

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.86.1646

Subject(s) - physics , forcing (mathematics) , homogeneous , kinematics , wave propagation , modulation (music) , classical mechanics , field (mathematics) , mechanics , excitable medium , optics , statistical physics , acoustics , mathematics , atmospheric sciences , pure mathematics

Wave propagation in a photosensitive, subexcitable Belousov-Zhabotinsky medium is made possible by periodic modulation of a homogeneous illumination field. The propagation can be understood in terms of an interplay between the radial expansion of the wave and the motion of its free ends as the excitability varies periodically. This description leads to a simple kinematic analysis that provides insights into the initial conditions and forcing parameters giving rise to sustained wave propagation.

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