Phase-and spin-dependent manipulation of leakage of Majorana mode into double quantum dot

• 作者: Fu-Bin Yang Gan Ren Lin-Guo Xie
• 来源期刊: 中国物理B（英文版）
• 年，卷（期）: 2021,（7）
• 所属期刊栏目: INTERDISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY
• 页码范围: 726-731
• 页数: 6页
• 语种: 英文
• DOI: 10.1088/1674-1056/abe1a8

摘要

We present a phase-and spin-dependent manipulation of leakage of a Majorana mode into a double quantum dot.We study the density of states (DOS) to show the effect of phase change factor on the Majorana leakage into (out) of a double quantum dot.The DOS is derived from the Green's function of the quantum dot by the equation of motion method,and exhibits a formant structure when φ =0,2π and a resonance shape when φ =0.5π and 1.5π.Also,it changes more strongly under the spin-polarized coefficient than the non-polarized lead.Such a theoretical model can be modified to explore the spin-dependent effect in the hybrid Majorana quantum dot system.