Wave-number locking in spatially forced pattern-forming systems

被引：33
|
作者：
Manor, R. [1 ]
Hagberg, A. [2 ]
Meron, E. [1 ,3 ]
机构：
[1] Ben Gurion Univ Negev, Dept Phys, IL-84105 Beer Sheva, Israel
[2] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA
[3] Ben Gurion Univ Negev, BIDR, Dept Solar Energy & Environm Phys, IL-84990 Sede Boqer, Israel
来源：
EPL | 2008年 / 83卷 / 01期
关键词：
D O I：
10.1209/0295-5075/83/10005
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We use the Swift-Hohenberg model and normal-form equations to study wave-number locking in two-dimensional systems as a result of one-dimensional spatially periodic weak forcing. The freedom of the system to respond in a direction transverse to the forcing leads to wave-number locking in a wide range of forcing wave-numbers, even for weak forcing, unlike the locking in a set of narrow Arnold tongues in one-dimensional systems. Multi-stability ranges of stripe, rectangular, and oblique patterns produce a variety of resonant patterns. The results shed new light on rehabilitation practices of banded vegetation in drylands. Copyright (c) EPLA, 2008.
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页数：5
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