Platform for nodal topological superconductors in monolayer molybdenum dichalcogenides

Lin Wang*, Tomas Orn Rosdahl, Doru Sticlet

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)
66 Downloads (Pure)

Abstract

We propose a platform to realize nodal topological superconductors in a superconducting monolayer of MoX2(X=S,Se,Te) using an in-plane magnetic field. The bulk nodal points appear where the spin splitting due to spin-orbit coupling vanishes near the ±K valleys of the Brillouin zone and are six or twelve per valley in total. In the nodal topological superconducting phase, the nodal points are connected by flat bands of zero-energy Andreev edge states. These flat bands, which are protected by chiral symmetry, are present for all lattice-termination boundaries except zigzag.

Original languageEnglish
Article number205411
JournalPhysical Review B
Volume98
Issue number20
DOIs
Publication statusPublished - 2018

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