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Pattern selection at an instability with broadened sidebands
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UNSPECIFIED (2001) Pattern selection at an instability with broadened sidebands. PHYSICS LETTERS A, 290 (3-4). pp. 134-138. ISSN 0375-9601.
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Abstract
The spatiotemporal pattern formation in the vicinity of a codimension-2 bifurcation with a quartic eigenvalue spectrum is studied. The interaction of modes on long time scales is derived. It is shown that a nonlinear focusing process selects a narrow band of modes and suppresses the other unstable modes. On an intermediate length scale, a travelling wave pattern emerges. Its modulations on long space scales are governed by a dispersive complex Ginzburg-Landau equation. (C) 2001 Elsevier Science B.V. All rights reserved.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICS LETTERS A | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0375-9601 | ||||
Official Date: | 12 November 2001 | ||||
Dates: |
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Volume: | 290 | ||||
Number: | 3-4 | ||||
Number of Pages: | 5 | ||||
Page Range: | pp. 134-138 | ||||
Publication Status: | Published |
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