Publication: Hypocycloidal resonance attractor for rigidly rotating spiral waves
Issued Date
2004-12-01
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ISSN
00092614
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2-s2.0-10944257729
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Mahidol University
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SCOPUS
Bibliographic Citation
Chemical Physics Letters. Vol.399, No.4-6 (2004), 506-511
Suggested Citation
On Uma Kheowan, Chananate Uthaisar, Supichai Kantrasiri, Stefan C. Müller Hypocycloidal resonance attractor for rigidly rotating spiral waves. Chemical Physics Letters. Vol.399, No.4-6 (2004), 506-511. doi:10.1016/j.cplett.2004.10.046 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/21265
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Title
Hypocycloidal resonance attractor for rigidly rotating spiral waves
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Abstract
Rigidly rotating spiral waves are investigated in the light sensitive excitable Belousov-Zhabotinsky reaction under local feedback control. Each light pulse is applied at a moment that corresponds to the passage of the wave front through a particular measuring point. For a small distance between the measuring point and the initial location of the spiral core, a resonance attractor with hypocycloidal shape is observed, whereas for a larger distance an epicycloidal resonance attractor occurs. The size of the attractor can be changed by introducing a time delay. Experimental and numerical results are compared with an earlier developed theory on the resonance attractor. © 2004 Elsevier B.V. All rights reserved.