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In the frame of the long-wavelength Heisenberg model, we investigate the existence of giant gaps in the band structure of a comblike geometry composed of a one-dimensional magnonic waveguide along which N ′ dangling side branches are grafted at N equidistant sites. These gaps originate not only from the periodicity of the system but also from the resonance states of the grafted branches (which...
We consider the existence regions of interface spin waves in a ferromagnetic bilayer film on the two-dimensional Brillouin zone as to their size and shape versus the respective interface-related parameters (interface exchange coupling and intrinsic interface anisotropy), applying the approximation of very thick bilayer film and the method of Brillouin zone mapping (BZM). We put especial emphasis on...
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