Three-Layer Magnetoconvection

Lin, M. K,, Silvers, L. J. & Proctor, M. R. E. (2008). Three-Layer Magnetoconvection. Physics Letters A, 373(1), pp. 69-75. doi: 10.1016/j.physleta.2008.10.074

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It is believed that some stars have two or more convection zones in close proximity near to the stellar photosphere. These zones are separated by convectively stable regions that are relatively narrow. Due to the close proximity of these regions it is important to construct mathematical models to understand the transport and mixing of passive and dynamic quantities. One key quantity of interest is a magnetic field, a dynamic vector quantity, that can drastically alter the convectively driven flows, and have an important role in coupling the different layers. In this paper we present the first investigation into the effect of an imposed magnetic field in such a geometry. We focus our attention on the effect of field strength and show that, while there are some similarities with results for magnetic field evolution in a single layer, new and interesting phenomena are also present in a three layer system.

Item Type: Article
Uncontrolled Keywords: Magnetic fields; Convection
Subjects: Q Science > QC Physics
Divisions: School of Engineering & Mathematical Sciences > Engineering

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