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    Rashba diamond in an Aharonov-Casher ring

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    Type
    Article
    Authors
    Wang, Xuhui
    Manchon, Aurelien cc
    KAUST Department
    Material Science and Engineering Program
    Physical Science and Engineering (PSE) Division
    Spintronics Theory Group
    Date
    2011-10-07
    Online Publication Date
    2011-10-07
    Print Publication Date
    2011-10-03
    Permanent link to this record
    http://hdl.handle.net/10754/552763
    
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    Abstract
    Spin interference due to Rashba spin-orbit interaction(SOI) in a ballistic two-dimensional electron gas ring conductor submitted to a bias voltage is investigated theoretically. We calculate the scattering matrices and differential conductance with lead-ring junction coupling as an adjustable parameter. Due to the interference of electronic waves traversing the ring, the differential conductance modulated by both bias voltage and SOI exhibits a diamond-shaped pattern, thus termed as Rashba diamond. This feature offers a supplementary degree of freedom to manipulate phase interference.
    Citation
    Rashba diamond in an Aharonov-Casher ring 2011, 99 (14):142507 Applied Physics Letters
    Publisher
    AIP Publishing
    Journal
    Applied Physics Letters
    DOI
    10.1063/1.3647569
    arXiv
    1111.1244
    Additional Links
    http://scitation.aip.org/content/aip/journal/apl/99/14/10.1063/1.3647569
    ae974a485f413a2113503eed53cd6c53
    10.1063/1.3647569
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Spintronics Theory Group; Material Science and Engineering Program

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