Interference of mode instabilities and pattern formation in anharmonic lattices

被引：16

作者：

Burlakov, VM ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Spect, Troitsk 142092, Moscow Region, Russia

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 18期

关键词：

D O I：

10.1103/PhysRevLett.80.3988

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

On an example of optically excited Klein-Gordon lattice, a striking new feature of anharmonic lattices related to dynamical coherent structure (pattern) formation is reported. It is shown that two factors are important for pattern formation: (i) lattice discreteness, which strongly reduces the number of lattice spatial modes among which the energy of external field is shared, and (ii) destructive interference of modulation instabilities of these modes resulting in stability of the pattern. Possible experimental realization is discussed.

引用

页码：3988 / 3991

页数：4

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