BLOCH-front turbulence in a periodically forced Belousov-Zhabotinsky reaction.

BLOCH-front turbulence in a periodically forced Belousov-Zhabotinsky reaction.
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周期性受迫别洛乌索夫-扎博廷斯基反应中的布洛赫前沿湍流。

DOI:
10.1103/physrevlett.93.108305
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发表时间:
2004
影响因子:
8.6
通讯作者:
Anna L. Lin
Anna L. Lin
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
B. Marts;A. Hagberg;E. Meron;Anna L. Lin

文献摘要

被引文献

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周期性强制Belousov-Zhabotinsky化学反应的实验表明,前分裂成一个时空无序的状态,涉及连续的事件的螺旋涡成核和破坏。利用受迫振动系统的振幅方程和弯曲锋线的规范形方程,我们确定了锋线破裂的机制,并解释了实验观察。
Experiments on a periodically forced Belousov-Zhabotinsky chemical reaction show front breakup into a state of spatiotemporal disorder involving continual events of spiral-vortex nucleation and destruction. Using the amplitude equation for forced oscillatory systems and the normal form equations for a curved front line, we identify the mechanism of front breakup and explain the experimental observations.