Spin-dependent quantum transport in periodic magnetic modulations: Aharonov-Bohm ring structure as a spin filter

Details Spin-dependent quantum transport in periodic magnetic modulations: Aharonov-Bohm ring structure as a spin filter Spin-dependent quantum transport in periodic magnetic modulations: Aharonov-Bohm ring structure as a spin filter

2004-03-11

arxiv.org/abs/cond-mat/0403290v1

Appl. Phys. Lett. 85, 1012 (2004).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

3 pages, 4 figures in eps format

Scientific paper

10.1063/1.1779352

Quantum interference in Aharonov-Bohm (AB) ring structure provides additional
control of spin at mesoscopic scale. We propose a scheme for spin filter by
studying the coherent transport through the AB structure with lateral magnetic
modulation on both arms of the ring structure. Large spin polarized current can
be obtained with many energy channels.

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