Spin-dependent hole quantum transport in Aharonov-Bohm ring structure: possible schemes for spin filter

Details Spin-dependent hole quantum transport in Aharonov-Bohm ring structure: possible schemes for spin filter Spin-dependent hole quantum transport in Aharonov-Bohm ring structure: possible schemes for spin filter

2005-08-06

arxiv.org/abs/cond-mat/0508171v2

Phys. Lett. A 349, 393 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 5 figures. Phys. Lett. A, 2005, in press

Scientific paper

10.1016/j.physleta.2005.09.035

We study the Aharonov-Bohm (AB) effect in two-dimensional mesoscopic frame in hole systems. We show that differing from the AB effect in electron systems, due to the presence of both the heavy hole and the light hole, the conductances not only show the normal spin-unresolved AB oscillations, but also become spin-separated. Some schemes for spin filter based on the abundant interference characteristics are proposed.

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