Publication: Spiral wave dynamics under feedback derived from a confined circular domain
Issued Date
2001-01-01
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ISSN
1063651X
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2-s2.0-85035296126
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Mahidol University
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SCOPUS
Bibliographic Citation
Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics. Vol.64, No.3 (2001), 4
Suggested Citation
On Uma Kheowan, Chi Keung Chan, Vladimir S. Zykov, Orapin Rangsiman, Stefan C. Müller Spiral wave dynamics under feedback derived from a confined circular domain. Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics. Vol.64, No.3 (2001), 4. doi:10.1103/PhysRevE.64.035201 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/26606
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Title
Spiral wave dynamics under feedback derived from a confined circular domain
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Abstract
Spiral waves are induced in a thin layer of the light-sensitive Belousov-Zhabotinsky reaction and controlled by a time-dependent uniform illumination. The intensity of the illumination is taken to be proportional to the average wave activity observed within a circular domain of the reaction layer. Stabilization and destabilization of spiral waves, as well as the existence of additional types of attractors, are demonstrated. A simple mathematical description is proposed in order to explain the existence of the attractors and the dependence of their size on the time delay in the feedback loop. © 2001 The American Physical Society.