Transition from traveling to standing waves as a function of frequency in a reaction-diffusion system
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Física no Lineal
Oscilaciones y ondas
Dinámica no lineal de sistemas activos
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American Institute of Physics
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Resumen:
The addition of polyethylene glycol to the Belousov–Zhabotinsky reaction increases the frequency of oscillations, which in an extended system causes a transition from traveling to standing waves. A further increase in frequency causes another transition to bulk oscillations. The standing waves are composed of two domains, which oscillate out of phase with a small delay between them, the delay being smaller as the frequency of oscillations is increased.
The addition of polyethylene glycol to the Belousov–Zhabotinsky reaction increases the frequency of oscillations, which in an extended system causes a transition from traveling to standing waves. A further increase in frequency causes another transition to bulk oscillations. The standing waves are composed of two domains, which oscillate out of phase with a small delay between them, the delay being smaller as the frequency of oscillations is increased.
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This work was supported by the MCyT (Spain) under Contract No. FIS2007-64698 and Xunta de Galicia (Spain) under Project Nos. PGIDIT05PXIC20607PN and INCITE07PXI206131ES
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