Majorana zero mode in the vortex of an artificial topological superconductor

• 来源期刊: 中国科学:物理学 力学 天文学（英文版）
• 年，卷（期）: 2017,（5）
• 页码范围: 49-59
• 页数: 11页
• 语种: 英文
• DOI: 10.1007/s11433-017-9011-7

摘要

Majorana fermion (MF),an exotic particle that is identical to its own antiparticle,was recently found in solid matter as a quasiparticle excitation,the Majorana zero mode (MZM),in the vortex of an artificial topological superconductor (TSC).This artificial TSC,first proposed by Fu and Kane in 2008,is a heterostructure made of a topological insulator Bi2Te3 and an s-wave superconductor NbSe2.This paper will briefly review the experimental progresses based on the Bi2Te3/NbSe2 heterostructure.All evidences are self-consistent and reveal that the MZM exists in the center of vortex.Those experimental results are also supported by theory.This finding is a milestone in the research ofMajorana fermions in solid state physics and a starting point of MZM's application in topological quantum computation.