The Nonlinear Evolution of Instabilities Driven by Magnetic Buoyancy: a New Mechanism for the Formation of Coherent Magnetic Structures
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چکیده
Motivated by the problem of the formation of active regions from a deep-seated solar magnetic field, we consider the nonlinear three-dimensional evolution of magnetic buoyancy instabilities resulting from a smoothly stratified horizontal magnetic field. By exploring the case for which the instability is continuously driven we have identified a new mechanism for the formation of concentrations of magnetic flux. Subject headings: Sun: interior — Sun: magnetic fields — instabilities — MHD
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تاریخ انتشار 2008