COUNTERPROPAGATING QUASI-LINEAR WAVE-PACKETS IN BINARY-FLUID CONVECTION

被引：30

作者：

KOLODNER, P

机构：

[1] AT and T Bell Laboratories, Murray Hill

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 69卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.69.2519

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

I report observations of a new state of traveling-wave convection which consists of pairs of localized wave packets which propagate around an annular cell in opposite directions. During their periodic collisions, the wave packets experience a loss in amplitude due to nonlinear interaction which exactly compensates the linear gain they experience at other times. This leads to a regular, small-amplitude state with high phase and group velocities. This state offers the promise of being quantitatively explainable on first principles using the simplest model of coupled complex Ginzburg-Landau equations.

引用

页码：2519 / 2522

页数：4

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