Journal
APPLIED PHYSICS LETTERS
Volume 94, Issue 5, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3079400
Keywords
crystal orientation; electric admittance; electron waveguides; quantum interference phenomena; spin-orbit interactions
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Funding
- NSFC [60525405, 10874175]
- Research Grants Council of the Hong Kong SAR, China [CityU 100308/08P]
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We theoretically investigate the charge transport in the quantum waveguides in the presence of the Rashba spin-orbit interaction and the Dresselhaus spin-orbit interaction. We find that the interplay between the Rashba spin-orbit interaction and Dresselhaus spin-orbit interaction can induce a symmetry breaking and consequently leads to the anisotropic charge transport in the quantum waveguides, the conductance through the quantum waveguides depends sensitively on the crystallographic orientations of the quantum waveguides. The anisotropy of the charge transport can even survive in the presence of disorder effect in realistic systems.
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