期刊
PHYSICS LETTERS A
卷 374, 期 19-20, 页码 2030-2034出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2010.02.078
关键词
Finite domain; Complex Ginzburg-Landau equation; Defect chaos
资金
- EPSRC [EP/D032334/1]
- National Science Foundation [DMS-0605238]
- Engineering and Physical Sciences Research Council [EP/D032334/1] Funding Source: researchfish
- EPSRC [EP/D032334/1] Funding Source: UKRI
Numerical simulations of the complex Ginzburg-Landau equation in one spatial dimension on periodic domains with sufficiently large spatial period reveal persistent chaotic dynamics in large parts of parameter space that extend into the Benjamin-Feir stable regime. This situation changes when nonperiodic boundary conditions are imposed, and in the Benjamin-Feir stable regime chaos takes the form of a long-lived transient decaying to a spatially uniform oscillatory state. The lifetime of the transient has Poisson statistics and no domain length is found sufficient for persistent chaos. (C) 2010 Elsevier B.V. All rights reserved.
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