Robust signatures detection of Majorana fermions in superconducting iron chains

被引:12
|
作者
Chen, Hua-Jun [1 ]
Fang, Xian-Wen [1 ]
Chen, Chang-Zhao [1 ]
Li, Yang [1 ]
Tang, Xu-Dong [1 ]
机构
[1] Anhui Univ Sci & Technol, Sch Sci, Huainan 232001, Anhui, Peoples R China
来源
SCIENTIFIC REPORTS | 2016年 / 6卷
基金
中国国家自然科学基金;
关键词
2-LEVEL SYSTEM; SURFACE; STATE; MODES;
D O I
10.1038/srep36600
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
We theoretically propose an optical means to detect Majorana fermions in superconducting iron (Fe) chains with a hybrid quantum dot-nanomechanical resonator system driven by two-tone fields, which is very different from the current tunneling spectroscopy experiments with electrical means. Based on the scheme, the phenomenon of Majorana modes induced transparency is demonstrated and a straightforward method to determine the quantum dot-Majorana fermions coupling strength is also presented. We further investigate the role of the nanomechanical resonator, and the resonator behaving as a phonon cavity enhances the exciton resonance spectrum, which is robust for detecting of Majorana fermions. The coherent optical spectrum affords a potential supplement to detecte Majorana fermions and supports Majorana fermions-based topological quantum computation in superconducting iron chains.
引用
收藏
页数:9
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