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Based on a composite magnetic–electric-barrier nanostructure, a spin spatial splitter was proposed recently. In order to control the spin-polarized lateral displacement (LD) of electrons, a tunable δ-potential is introduced into this device by the atomic layer doping technique. Theoretical analysis together with numerical simulation shows that both magnitude and sign of spin-polarized LD change dramatically...
The present work deals with the dynamics of a mechanical switching system in which the state variables are continuous at the switching events, but the first derivative of the vector field changes discontinuously across the switching boundary. Earlier works have shown that hard impacting systems yield discrete maps with a term of power 1/2, and stick-slip systems yield discrete maps with a term of...
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