Matches in SemOpenAlex for { <https://semopenalex.org/work/W4200018081> ?p ?o ?g. }
- W4200018081 abstract "Nonlinearity and discreteness are two pivotal factors for an emergence of discrete breather excitations in various media. We argue that these requirements are met in the forced ferromagnetic phase of the monoaxial chiral helimagnet $mathrm{Cr}{mathrm{Nb}}_{3}mathrm{S}{}_{6}$ due to the specific domain structure of the compound. The stationary, time-periodic breather modes appear as the discrete breather lattice solutions whose period mismatches with a system size. Thanks to easy-plane single-ion anisotropy intrinsic to $mathrm{Cr}{mathrm{Nb}}_{3}mathrm{S}{}_{6}$, these modes are of the dark type with frequencies lying within the linear spin-wave band, close to its bottom edge. They represent cnoidal states of magnetization, similar to the well-known soliton lattice ground state, with differing but limited number of embedded $2ensuremath{pi}$ kinks. The linear stability of these dark breather modes is verified by means of Floquet analysis. Their energy, which is controlled by two parameters, namely, the breather lattice period and amplitude, falls off linearly with a growth of the kink number. These results may pave a path to design spintronic resonators on the base of chiral helimagnets." @default.
- W4200018081 created "2021-12-31" @default.
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- W4200018081 date "2021-12-15" @default.
- W4200018081 modified "2023-10-15" @default.
- W4200018081 title "Dark discrete breather modes in a monoaxial chiral helimagnet with easy-plane anisotropy" @default.
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- W4200018081 doi "https://doi.org/10.1103/physrevb.104.214420" @default.
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