4.6 Article

Josephson current signatures of Majorana flat bands on the surface of time-reversal-invariant Weyl and Dirac semimetals

期刊

PHYSICAL REVIEW B
卷 95, 期 17, 页码 -

出版社

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.95.174505

关键词

-

资金

  1. Boulder Summer School for Condensed Matter and Materials Physics through NSF [DMR-13001648]
  2. NSERC
  3. CIfAR

向作者/读者索取更多资源

A linear Josephson junction mediated by the surface states of a time-reversal-invariant Weyl or Dirac semimetal localizes Majorana flat bands protected by the time-reversal symmetry. We show that as a result, the Josephson current exhibits a discontinuous jump at pi phase difference which can serve as an experimental signature of the Majorana bands. The magnitude of the jump scales proportionally to the junction width and the momentum space distance between the Weyl nodes. It also exhibits a characteristic dependence on the junction orientation. We demonstrate that the jump is robust against the effects of nonzero temperature and weak nonmagnetic disorder.

作者

我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。

评论

主要评分

4.6
评分不足

次要评分

新颖性
-
重要性
-
科学严谨性
-
评价这篇论文

推荐

暂无数据
暂无数据