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Journal Nonlinear World №2 for 2014 г.
Article in number:
Edge rotational magnons in magnonic crystals
Keywords:
2D magnonic crystals
surface bulk magnetostatic waves
edge rotational magnons
local resonance
Authors:
I.V. Lisenkov - Researcher, Kotel-nikov Institute of Radio Engineering, and Electronics Russian Academy of Sciences
D.V. Kalyabin - Post-graduate Student, MPTI, Probationer Researcher, Kotel-nikov Institute of Radio Engineering, and Electronics Russian Academy of Sciences. E-mail: kalyabin@cplire.ru
S.A. Nikitov - Professor, Correspondent Member of RAS, Deputy Director, Kotel-nikov Institute of Radio Engineering, and Electronics Russian Academy of Sciences
D.V. Kalyabin - Post-graduate Student, MPTI, Probationer Researcher, Kotel-nikov Institute of Radio Engineering, and Electronics Russian Academy of Sciences. E-mail: kalyabin@cplire.ru
S.A. Nikitov - Professor, Correspondent Member of RAS, Deputy Director, Kotel-nikov Institute of Radio Engineering, and Electronics Russian Academy of Sciences
Abstract:
It is predicted that in 2D magnonic crystals the edge rotational magnons of forward volume magnetostatic spin waves can exist. Under certain conditions locally bounded magnons may appear within the crystal consisting of the ferromagnetic matrix and periodically inserted magnetic/nonmagnetic inclusions. It is also shown that interplay of different resonances in 2D magnonic crystal may provide conditions for spin wave modes existence with negative group velocity.
Pages: 34-35
References
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- Vasseur J.O., Dobrzynski L., and Djafari-Rouhanni B. Magnon band structure of periodic composites // Physical Review B. 1996. V. 54. № 2.
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