Spin orbit interaction and zitterbewegung in symmetric wells

Details Spin orbit interaction and zitterbewegung in symmetric wells Spin orbit interaction and zitterbewegung in symmetric wells

2007-08-22

arxiv.org/abs/0708.3091v1

Physica Status Solidi (c) 3, 4330 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages; no figures (PASPS IV Proceeedings)

Scientific paper

Recently, we have introduced a novel inter-subband-induced spin-orbit (s-o) coupling [Phys. Rev. Lett. 99, 076603 (2007); cond-mat/0607218] arising in \textit{symmetric} wells with at least two subbands. This new s-o coupling gives rise to an usual zitterbewegung -- i.e. the semiconductor analog to the relativistic trembling motion of electrons -- with cycloidal motion without magnetic fields. Here we complement these findings by explicitly deriving expressions for the corresponding zitterbewegung in spin space.

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