Zitterbewegung of electrons and holes in III-V semiconductor quantum wells

Details Zitterbewegung of electrons and holes in III-V semiconductor quantum wells Zitterbewegung of electrons and holes in III-V semiconductor quantum wells

2005-12-07

arxiv.org/abs/cond-mat/0512148v1

Phys. Rev. B 73, 085323 (2006)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

10 pages, 3 figures included

Scientific paper

10.1103/PhysRevB.73.085323

The notion of zitterbewegung is a long-standing prediction of relativistic quantum mechanics. Here we extend earlier theoretical studies on this phenomenon for the case of III-V zinc-blende semiconductors which exhibit particularly strong spin-orbit coupling. This property makes nanostructures made of these materials very favorable systems for possible experimental observations of zitterbewegung. Our investigations include electrons in n-doped quantum wells under the influence of both Rashba and Dresselhaus spin-orbit interaction, and also the two-dimensional hole gas. Moreover, we give a detailed anaysis of electron zitterbewegung in quantum wires which appear to be particularly suited for experimentally observing this effect.

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