We study resonant spatially periodic solutions of the Lengyel-Epstein model modified to describe the chlorine dioxide-iodine-malonic acid reaction under spatially periodic illumination. Using multiple-scale analysis and numerical simulations, we obtain the stability ranges of 2:1 resonant solutions, i.e., solutions with wavenumbers that are exactly half of the forcing wavenumber. We show that the width of resonant wavenumber response is a non-monotonic function of the forcing strength, and diminishes to zero at sufficiently strong forcing. We further show that strong forcing may result in a π/2 phase shift of the resonant solutions, and argue that the nonequilibrium Ising-Bloch front bifurcation can be reversed. We attribute these behaviors to an inherent property of forcing by periodic illumination, namely, the increase of the mean spatial illumination as the forcing amplitude is increased.
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June 2015
Research Article|
June 02 2015
Non-monotonic resonance in a spatially forced Lengyel-Epstein model Available to Purchase
Lev Haim;
Lev Haim
1Physics Department,
Ben-Gurion University of the Negev
, Beer-Sheva 84105, Israel
2Department of Oncology,
Soroka University Medical Center
, Beer-Sheva 84101, Israel
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Aric Hagberg;
Aric Hagberg
3
Center for Nonlinear Studies
, Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
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Ehud Meron
Ehud Meron
1Physics Department,
Ben-Gurion University of the Negev
, Beer-Sheva 84105, Israel
4Department of Solar Energy and Environmental Physics, BIDR,
Ben-Gurion University of the Negev
, Sede Boqer Campus, Midreshet Ben-Gurion 84990, Israel
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Lev Haim
1,2
Aric Hagberg
3
Ehud Meron
1,4
1Physics Department,
Ben-Gurion University of the Negev
, Beer-Sheva 84105, Israel
2Department of Oncology,
Soroka University Medical Center
, Beer-Sheva 84101, Israel
3
Center for Nonlinear Studies
, Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
4Department of Solar Energy and Environmental Physics, BIDR,
Ben-Gurion University of the Negev
, Sede Boqer Campus, Midreshet Ben-Gurion 84990, Israel
Chaos 25, 064307 (2015)
Article history
Received:
February 21 2015
Accepted:
May 12 2015
Citation
Lev Haim, Aric Hagberg, Ehud Meron; Non-monotonic resonance in a spatially forced Lengyel-Epstein model. Chaos 1 June 2015; 25 (6): 064307. https://doi.org/10.1063/1.4921768
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