Hidden skyrmion on the spin direction of the Majorana zero mode

被引：0
作者：
Shang, Xin [1 ]
Tang, Huimin [2 ]
机构：
[1] CSRC, Simulat Phys Syst Div, Beijing 518005, Peoples R China
[2] Guangxi Normal Univ, Coll Phys Sci & Technol, Guilin, Guangxi, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2025年 / 39卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Majorana zero model; skyrmion; FERMIONS; STATES;
D O I：
10.1142/S0217979225500055
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The spin information of Majorana zero mode (MZM) has important application value in distinguishing MZM from other zero energy states. We study the spin direction of the Majorana zero mode (MZM) localized in a vortex state in a topological superconductor. We find that the topological number of the magnetic structure of the MZM is zero. However, with an increase in the vortex radius, the magnetic structure of the electron oscillates between the antiskyrmion and skyrmion (starting with the antiskyrmion), while that of the hole oscillates between the skyrmion and antiskyrmion (starting with the skyrmion). The total magnetic structure of the electron is a antiskyrmion (the topological number is -1) while that of the hole is a skyrmion (the topological number is 1). We hope these new features provide more characters for detection and regulation of MZM.
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页数：10
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