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Magnetic memory and current amplification devices using moving domain walls
S. E. Barnes, J. Ieda, S. Maekawa
A moving magnetic domain wall produces an electromotive force (emf). It is therefore possible to read the state of a magnetic memory device via the emf it produces when subject to…
Dark solitons in F=1 spinor Bose--Einstein condensate
Masaru Uchiyama, Jun'ichi Ieda, Miki Wadati
We study dark soliton solutions of a multi-component Gross--Pitaevskii equation for hyperfine spin F=1 spinor Bose--Einstein condensate. The interactions are supposed to be inter-a…
Inverse scattering method for square matrix nonlinear Schrödinger equation under nonvanishing boundary conditions
Jun'ichi Ieda, Masaru Uchiyama, Miki Wadati
Matrix generalization of the inverse scattering method is developed to solve the multicomponent nonlinear Schrödinger equation with nonvanishing boundary conditions. It is shown th…