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Topological spin waves in the atomic-scale magnetic skyrmion crystal
(2016)
We study the spin waves of the triangular skyrmion crystal that emerges in a two-dimensional spin lattice model as a result of the competition between Heisenberg exchange, Dzyalonshinkii-Moriya interactions, Zeeman coupling ...
Flat-band light dynamics in Stub photonic lattices
(2017)
We experimentally study a Stub photonic lattice and excite their localized linear states originated from an isolated Flat Band at the center of the linear spectrum. By exciting these modes in different regions of the ...
Nonlinear nano-scale localized breather modes in a discrete weak ferromagnetic spin lattice
(2016)
We investigate the propagation dynamics of highly localized discrete breather modes in a weak ferromagnetic spin lattice with on-site easy axis anisotropy due to crystal field effect. We derive the discrete nonlinear ...