Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2005-08-06
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.
Weng M. Q.
Wu M. W.
Zhou Jiajia
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