Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2002-03-27
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
8 figures
Scientific paper
We study the scattering of an electron in a definite state of spin at an interface of an hybrid system with a Rashba spin-orbit coupling on one side. Out of the normal incidence the double refraction phenomenon appears, with one or two limit angles for the total reflection. We show that this double refraction gives rise to a spin-dependent conductance of a Quantum Point Contact separating a ferromagnet and a two dimensional electron gas. The birefringence allows the spin filtering with a single interface.
Cataudella Vittorio
Filippis Giulio de
Perroni C. A.
Ramaglia Vincenzo Marigliano
Ventriglia Franco
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