Non-Centrosymmetric Superconductors on Honeycomb Lattice

Der Hau Lee, Chung-Hou Chung*

*此作品的通信作者

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

Non-centrosymmetric topological superconductivity is studied in correlated doped quantum spin-Hall insulators (QSHI) on honeycomb lattice without inversion symmetry where the intrinsic (Kane–Mele) and Rashba spin–orbit couplings can in general exist. The generic topologically non-trivial superconducting phase diagram of the model system is explored. Over a certain parameter range, the parity-mixing superconducting state with co-existing spin-singlet d + id and spin-triplet p + ip-wave pairing is found. On a zigzag nanoribbon, the parity-mixing superconducting state shows co-existing helical and chiral Majorana fermions at edges. The relevance of our results for experiments is discussed.

原文American English
文章編號1800114
期刊Physica Status Solidi (B) Basic Research
255
發行號9
DOIs
出版狀態Published - 9月 2018

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