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Generation of magnetic fields by large-scale vortices in rotating convection.
- Source :
-
Physical Review E: Statistical, Nonlinear & Soft Matter Physics . Apr2015, Vol. 91 Issue 4-B, p1-5. 5p. - Publication Year :
- 2015
-
Abstract
- We propose a self-consistent dynamo mechanism for the generation of large-scale magnetic fields in natural objects. Recent computational studies have described the formation of large-scale vortices in rotating turbulent convection. Here we demonstrate that for magnetic Reynolds numbers below the threshold for small-scale dynamo action, such turbulent flows can sustain large-scale magnetic fields, i.e., fields with a significant component on the scale of the system. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 15393755
- Volume :
- 91
- Issue :
- 4-B
- Database :
- Academic Search Index
- Journal :
- Physical Review E: Statistical, Nonlinear & Soft Matter Physics
- Publication Type :
- Academic Journal
- Accession number :
- 102775163
- Full Text :
- https://doi.org/10.1103/PhysRevE.91.041001