Dark solitons in ferromagnetic chains with first- and second-neighbor interactions

Details Dark solitons in ferromagnetic chains with first- and second-neighbor interactions Dark solitons in ferromagnetic chains with first- and second-neighbor interactions

2011-11-23

arxiv.org/abs/1111.5477v1

Nonlinear Sciences

Pattern Formation and Solitons

7 pages,5 figures

Scientific paper

We study the ferromagnetic spin chain with both first- and second-neighbor interactions. We obtained the condition for the appearance and stability of bright and dark solitons for arbitrary wave number inside the Brillouin zone. The influence of the second-neighbor interaction and the anisotropy on the soliton properties is considered. The scattering of dark solitons from point defects in the discrete spin chain is investigated numerically.

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