Magnetoelectric oscillations in quasi-2D ferrite disk particles

Details Magnetoelectric oscillations in quasi-2D ferrite disk particles Magnetoelectric oscillations in quasi-2D ferrite disk particles

2008-05-05

arxiv.org/abs/0805.0518v1

Physics

Condensed Matter

Materials Science

5 pages, 2 figures

Scientific paper

In this paper we show that magnetic-dipolar-mode (MDM) oscillations of a quasi-2D ferrite disk are characterized by unique symmetry features with topological phases resulting in appearance of the magnetoelectric (ME) properties. The entire ferrite disk can be characterized as a pair of two, electric and magnetic, coupled eigen moments. However, there is no a "glued pair" of two dipoles. An external electromagnetic field in the near-field region "views" such a ME particle, as a system with a normally oriented eigen electric moment and an in-plane rotating eigen magnetic dipole moment.

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