Symmetry-protected line nodes and Majorana flat bands in nodal crystalline superconductors

DOI DOI Web Site Web Site Web Site 被引用文献16件 参考文献64件

書誌事項

公開日
2018-05-11
資源種別
journal article
権利情報
  • https://link.aps.org/licenses/aps-default-license
  • https://link.aps.org/licenses/aps-default-accepted-manuscript-license
DOI
  • 10.1103/physrevb.97.180504
  • 10.48550/arxiv.1711.06421
公開者
American Physical Society (APS)

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説明

Line nodes in the superconducting gap are known to be a source of Majorana flat bands (MFBs) in time-reversal-invariant superconductors (SCs). Here, we extend this relation to all symmetry-protected line nodes where an additional constraint arising from a symmetry of the crystal destabilizes or hides the existence of MFBs. By establishing a one-to-one correspondence between group theoretical and topological classifications, we are able to classify the possible line-node-induced MFBs, including cases with (magnetic) non-symmorphic space groups. Our theoretical analysis reveals a new type of MFB, i.e., MFBs in antiferromagnetic SCs.

6 pages, 2 figures

収録刊行物

  • Physical Review B

    Physical Review B 97 (18), 180504(R)-, 2018-05-11

    American Physical Society (APS)

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参考文献 (64)*注記

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