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Defect chaos and bursts: Hexagonal rotating convection and the complex Ginzburg-Landau equation
Citation
Madruga Sánchez, Santiago 
ORCID: https://orcid.org/0000-0002-9996-1287, Riecke, Hermann and Pesch, Werner
(2006).
Defect chaos and bursts: Hexagonal rotating convection and the complex Ginzburg-Landau equation.
"Physical Review Letters", v. 96
;
pp..
ISSN 0031-9007.
https://doi.org/10.1103/PhysRevLett.96.074501.
Description
| Title: | Defect chaos and bursts: Hexagonal rotating convection and the complex Ginzburg-Landau equation |
|---|---|
| Author/s: |
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| Item Type: | Article |
| Título de Revista/Publicación: | Physical Review Letters |
| Date: | 24 February 2006 |
| ISSN: | 0031-9007 |
| Volume: | 96 |
| Subjects: | |
| Faculty: | E.T.S.I. Aeronáuticos (UPM) |
| Department: | Fundamentos Matemáticos de la Tecnología Aeronáutica [hasta 2014] |
| Creative Commons Licenses: | Recognition - No derivative works - Non commercial |
Abstract
We employ numerical computations of the full Navier-Stokes equations to investigate non-Boussinesq convection in a rotating system using water as the working fluid. We identify two regimes. For weak non- Boussinesq effects the Hopf bifurcation from steady to oscillating (whirling) hexagons is supercritical and typical states exhibit defect chaos that is systematically described by the cubic complex Ginzburg-Landau equation. For stronger non-Boussinesq effects the Hopf bifurcation becomes subcritical and the oscil- lations exhibit localized chaotic bursting, which is modeled by a quintic complex Ginzburg-Landau equation.
More information
| Item ID: | 21711 |
|---|---|
| DC Identifier: | https://oa.upm.es/21711/ |
| OAI Identifier: | oai:oa.upm.es:21711 |
| DOI: | 10.1103/PhysRevLett.96.074501 |
| Deposited by: | Memoria Investigacion |
| Deposited on: | 11 Feb 2014 14:59 |
| Last Modified: | 21 Apr 2016 12:26 |
