Abstract
An analysis of the thermomagnetic convection in a horizontal layer of magnetic fluid
subjected to a spatially and symmetrical modulated magnetic field
is presented. Both the magnetic field and the temperature gradient are oriented
vertically. The base state is a convective one formed by a double vortex
which reflects the symmetrical modulation and appears for any nonzero magnetic field.
Depending on the type of modulation
different shapes of convection rolls appear: either horizontally stretched convection rolls
for long-wave modulations or circular shaped ones for short-wave modulations.
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