Regular and chaotic vortex core reversal by a resonant perpendicular magnetic field

We predict the regular and chaotic dynamics of the vortex polarity under the action of perpendicular ac magnetic field and propose a simple analytical description in terms of a reduced vortex core model.

Phys. Rev. B, 88, 014432 (2013), 10.1103/PhysRevB.88.014432PDF.


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