Eigen electric moments and magnetic-dipolar vortices in quasi-2D ferrite disks

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Abstract

In a quasi-2D ferrite disk with a dominating role of magnetic-dipolar (non-exchange-interaction) spectra, one can observe the vortex structures. The vortices are guaranteed by the chiral edge states of magnetic-dipolar modes which result in appearance of eigen electric moments oriented normally to the disk plane. Due to the eigen-electric-moment properties, a ferrite disk placed in a microwave cavity is strongly affected by the cavity RF electric field with a clear evidence for multi-resonance oscillations. For different cavity parameters, one may observe the resonance absorption and resonance repulsion behaviors.

Original languageEnglish
Pages (from-to)339-343
Number of pages5
JournalApplied Physics B: Lasers and Optics
Volume93
Issue number2-3
DOIs
StatePublished - 1 Nov 2008

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