Multiferroic Vortex Oscillations under Electromagnetic Field
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Abstract
Single phase multiferroic with easy plane magnetic anisotropy and Dzyaloshinskii-Moriya type electro-magnetic coupling is considered. Static electric field causes the establishment of helically ordered ground state and it is shown that this structure acts as a periodic potential for light propagation through the multiferroic. The corresponding magnon-photonic band-gap spectrum is calculated and the possibility of light trapping while driving inside the photonic gap is numerically revealed.
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