探索拓扑超导新思路——界面超导  

New route toward topological superconductivity:Interface between metals

作　　者：罗会仟[1] LUO Hui-Qian(Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China)

机构地区：[1]中国科学院物理研究所,北京100190

出　　处：《中国科学：物理学、力学、天文学》2020年第10期151-152,共2页Scientia Sinica Physica,Mechanica & Astronomica

基　　金：国家重点研发计划(编号:2018YFA0704200);国家自然科学基金(编号:11822411,11961160699);中国科学院青年创新促进会(编号:2016004)资助项目。

摘　　要：拓扑超导体是实现拓扑量子计算的最佳候选材料之一,其合成制备往往比较复杂困难.最近,研究人员在金属/拓扑材料界面发现了标志超导电性的安德列夫反射谱,而且不限于磁性或非磁性金属.如果该界面结构被证实是超导,那么该方法让拓扑超导更加简易,有望进一步实现拓扑量子器件新的突破.Topological superconductor is one of the best candidate materials for topological quantum computation,but the realization is always very challenging.Very recently,scientists have found superconductivity-like spectrum in the interface between normal metals(Au,Pt,W,Ta,Fe,Co,Ni)and a topological semimetal(WC),no matter the metal is magnetic or nonmagnetic.This new route gives an easy and feasible way to explore topological superconductivity in the interface.New breakthroughs based on such quantum devices are very promising.

关 键 词：拓扑 超导 隧道谱 

分 类 号：O469[理学—凝聚态物理]