双稳态系统中的超晶格和准晶体

Guy Dewel , Mustapha Bachir , Pierre Borckmans , Stephane Métens
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引用次数: 1

摘要

我们描述了双稳系统中由扩散不稳定性产生的空间结构的形成。结果表明,从两个均匀态发出的不同空间模式之间的耦合可以引起自参数不稳定性,有利于发生共振准周期结构,如超晶格或准图案。
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Super-réseaux et quasi-cristaux dans les systèmes bistables

We describe the formation of spatial structures generated by diffusive instabilities in bistable systems. It is shown that the coupling between the different spatial modes emanating from the two homogeneous states can give rise to self-parametric instabilities favoring the occurrence of resonant quasiperiodic structures such as superlattices or quasipatterns.

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