Pattern formation near an oscillatory instability for systems without up-down symmetry

被引：0

作者：

Brand, Helmut R. ^{[1
,2
]}

Deissler, Robert J. ^{[1
]}

机构：

[1] Center for Nonlinear Studies, MS B258, Los Alamos National Laboratory, Los Alamos, NM 87545, United States

[2] Theoretische Physik III, Universität Bayreuth, D-95440 Bayreuth, Germany

来源：

Physics Letters, Section A: General, Atomic and Solid State Physics | 1997年 / 231卷 / 3-4期

关键词：

Binary mixtures;

D O I：

暂无

中图分类号：

O6 [化学]; TQ [化学工业];

学科分类号：

0703 ; 0817 ;

摘要：

We present the results of our numerical investigations of the order parameter equation associated with an oscillatory instability with a small onset frequency of systems lacking up-down symmetry. Qualitatively different patterns arise depending on whether periodic or more realistic boundary conditions are used. Among the patterns found are blinking hexagons, traveling rectangular patterns, and states that are disordered in space and time, which dominate for realistic boundary conditions. Experimentally accessible systems for which our predictions could be checked might include non-Boussinesq convection in binary fluid mixtures. © 1997 Elsevier Science B.V.

引用

页码：179 / 184

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