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Persistent currents (PCs), one of the most intriguing manifestations of the Aharonov-Bohm (AB) effect, are known to vanish for Schrödinger particles in the presence of random scatterings, e.g., due to

Persistent currents (PCs), one of the most intriguing manifestations of the Aharonov-Bohm (AB) effect, are known to vanish for Schrödinger particles in the presence of random scatterings, e.g., due to classical chaos. But would this still be the case for Dirac fermions? Addressing this question is of significant value due to the tremendous recent interest in two-dimensional Dirac materials. We investigate relativistic quantum AB rings threaded by a magnetic flux and find that PCs are extremely robust.

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    Date Created
    • 2015-03-11
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    Identifier
    • Digital object identifier: 10.1038/srep08963
    • Identifier Type
      International standard serial number
      Identifier Value
      1838-7640
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    Xu, Hongya, Huang, Liang, Lai, Ying-Cheng, & Grebogi, Celso (2015). Superpersistent currents and whispering gallery modes in relativistic quantum chaotic systems. SCIENTIFIC REPORTS, 5.
    http://dx.doi.org/10.1038/srep08963

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