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    Surface transport coefficients for three-dimensional topological superconductors

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    Author
    Xie, Hong-Yi; Chou, Yang-Zhi; Foster, Matthew S.
    Date
    2015
    Abstract
    We argue that surface spin and thermal conductivities of three-dimensional topological superconductors are universal and topologically quantized at low temperature. For a bulk winding number ν, there are |ν| “colors” of surface Majorana fermions. Localization corrections to surface transport coefficients vanish due to time-reversal symmetry (TRS). We argue that Altshuler-Aronov interaction corrections vanish because TRS forbids color or spin Friedel oscillations. We confirm this within a perturbative expansion in the interactions, and to lowest order in a large-|ν| expansion. In both cases, we employ an asymptotically exact treatment of quenched disorder effects that exploits the chiral character unique to two-dimensional, time-reversal-invariant Majorana surface states.
    Citation
    Xie, Hong-Yi, Chou, Yang-Zhi and Foster, Matthew S.. "Surface transport coefficients for three-dimensional topological superconductors." Physical Review B, 91, no. 2 (2015) American Physical Society: 024203. http://dx.doi.org/10.1103/PhysRevB.91.024203.
    Published Version
    http://dx.doi.org/10.1103/PhysRevB.91.024203
    Type
    Journal article
    Publisher
    American Physical Society
    Citable link to this page
    https://hdl.handle.net/1911/90544
    Rights
    Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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    • Faculty Publications [4990]
    • Physics and Astronomy Publications [1771]

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    Home | FAQ | Contact Us | Privacy Notice | Accessibility Statement
    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892
    Site Map