Low-Energy Surface States In The Normal State Of Α- Pdbi2 Superconductor

Abstract

Topological superconductors as characterized by Majorana surface states have been actively searched for their significance in fundamental science and technological implication. The large spin-orbit coupling in Bi-Pd binaries has stimulated extensive investigations on the topological surface states in these superconducting compounds. Here we report a study of normal-state electronic structure in a centrosymmetric α-PdBi2 within density functional theory calculations. By investigating the electronic structure from the bulk to slab geometries in this system, we predict that α-PdBi2 can host orbital-dependent and asymmetric Rashba surface states near the Fermi energy. This study suggests that α-PdBi2 will be a good candidate to explore the relationship between superconductivity and topology in condensed matter physics.

Publication Date

8-25-2017

Publication Title

Physical Review Materials

Volume

1

Issue

3

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1103/PhysRevMaterials.1.034201

Socpus ID

85045911467 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/85045911467

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