Creation and Amplification of Electro-Magnon Solitons by Electric Field in Nanostructured Multiferroics
arXiv:1501.02064 · doi:10.1103/PhysRevB.91.041408
Abstract
We develop a theoretical description of electro-magnon solitons in a coupled ferroelectric-ferromagnetic heterostructure. The solitons are considered in the weakly nonlinear limit as a modulation of plane waves corresponding to two, electric- and magnetic-like branches in the spectrum. Emphasis is put on magnetic-like envelope solitons that can be created by an alternating electric field. It is shown also that the magnetic pulses can be amplified by an electric field with a frequency close to the band edge of the magnetic branch.
arXiv commentPhys. Rev. B. (Rapid Communications), in press, 2015
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