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Electric field control of spin splitting in III–V semiconductor quantum dots without magnetic field

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  • Sanjay Prabhakar
  • Roderick Melnik

Abstract

We provide an alternative means of electric field control for spin manipulation in the absence of magnetic fields by transporting quantum dots adiabatically in the plane of two-dimensional electron gas. We show that the spin splitting energy of moving quantum dots is possible due to the presence of quasi-Hamiltonian that might be implemented to make the next generation spintronic devices of post CMOS technology. Such spin splitting energy is highly dependent on the material properties of semiconductor. It turns out that this energy is in the range of meV and can be further enhanced with increasing pulse frequency. In particular, we show that quantum oscillations in phonon mediated spin-flip behaviors can be observed. We also confirm that no oscillations in spin-flip behaviors can be observed for the pure Rashba or pure Dresselhaus cases. Copyright EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2015

Suggested Citation

  • Sanjay Prabhakar & Roderick Melnik, 2015. "Electric field control of spin splitting in III–V semiconductor quantum dots without magnetic field," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 88(10), pages 1-7, October.
    • Handle: RePEc:spr:eurphb:v:88:y:2015:i:10:p:1-7:10.1140/epjb/e2015-60658-3
    DOI: 10.1140/epjb/e2015-60658-3
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    Mesoscopic and Nanoscale Systems;

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