Magnetic elastica.
Magnetic elastica with spontaneous magnetization and superparamagnetic properties are considered. Obtained solutions illustrate the characteristic transformations of their shapes as spontaneous magnetization increases. Solutions are selected on the basis of the stability analysis and results of numerical simulations. A different mechanism of the magnetic relaxation in suspension of ferromagnetic filaments by migration of a loop with antiparallel to the field magnetization is predicted.
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Institute of Physics, University of Latvia, Salaspils-1, LV-2169, Latvia. aceb@tesla.sal.lv
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