论文类型：期刊论文
第一作者：徐刚
通讯作者：齐小亮
合写作者：Gang Xu, Jing Wang, Binghai Yan, Xiao-Liang Qi
发表刊物：Physical Review B
收录刊物：SCI
学科门类：理学
一级学科：物理学
文献类型：J
卷号：90
期号：10
发表时间：2014-09-29
摘要：Time-reversal breaking topological superconductors are new states of matter which can support Majorana zero modes at the edge. In this Rapid Communication, we propose a different realization of one-dimensional topological superconductivity and Majorana zero modes. The proposed system consists of a monolayer of transition-metal dichalcogenides M X 2 (M= Mo, W; X= S, Se) on top of a superconducting substrate. Based on first-principles calculations, we show that a zigzag edge of the monolayer M X 2 terminated by a metal atom M has edge states with strong spin-orbit coupling.