Low-energy surface states in the normal state of α−PdBi2 superconductor
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 i...
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| Main Authors: | , , , , |
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| 格式: | Article |
| 語言: | English |
| 出版: |
2019
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| 主題: | |
| 在線閱讀: | https://hdl.handle.net/10356/106770 http://hdl.handle.net/10220/48975 |
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| 總結: | 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. |
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