Spatial and temporal dynamics of two interacting modes in parametrically driven surface waves

被引：75

作者：

Arbell, H ^{[1
]}

Fineberg, J ^{[1
]}

机构：

[1] Hebrew Univ Jerusalem, Racah Inst Phys, IL-91904 Jerusalem, Israel

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 20期

关键词：

D O I：

10.1103/PhysRevLett.81.4384

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Nonlinear waves with basic wave numbers, k(1) and k(2), are simultaneously excited via two-frequency parametric excitation of a fluid surface. Three new multiwave states are observed: (1) A superlattice state composed of k(1) and k(2) whose relative orientation is governed by a temporal resonance condition, (2) a superlattice built entirely of wave numbers k(1) and k(1)/2, and (3) a state composed of wave numbers of lengths k(1) and k(2) that are uncorrelated in both space and time. The three states exhibit interesting temporal as well as spatial behavior and are observed in a variety of frequency combinations.

引用

页码：4384 / 4387

页数：4

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