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arXiv · 1507.01393

Zitterbewegung of a heavy hole in presence of spin-orbit interactions

Tutul Biswas·Sandip Chowdhury·Tarun Kanti Ghosh
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Abstract

We study the $zitterbewegung$ of a heavy hole in presence of both cubic Rashba and cubic Dresselhaus spin-orbit interactions. On contrary to the electronic case, $zitterbewegung$ does not vanish for equal strength of Rashba and Dresselhaus spin-orbit interaction. This non-vanishing of $zitterbewegung$ is associated with the Berry phase. Due to the presence of the spin-orbit coupling the spin associated with the heavy hole precesses about an effective magnetic field. This spin precession produces a transverse spin-orbit force which also generates an electric voltage associated with $zitterbewegung$. We have estimated the magnitude of this voltage for a possible experimental detection of $zitterbewegung$.

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Tutul Biswas, Sandip Chowdhury, Tarun Kanti Ghosh. 2015-09-14. Zitterbewegung of a heavy hole in presence of spin-orbit interactions. https://doi.org/10.1140/epjb%2Fe2015-60425-6

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