Noise signatures for determining chiral Majorana fermion modes
Noise signatures for determining chiral Majorana fermion modes
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用于确定手性马约拉纳费米子模式的噪声特征
DOI:
10.1103/physrevb.98.045141
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发表时间:
2018-04
影响因子:
3.7
通讯作者:
Xie X. C.
中科院分区:
文献类型:
--
作者:
Li Yu-Hang;Liu Jie;Liu Haiwen;Jiang Hua;Sun Qing-Feng;Xie X. C.
The conductance measurement of a half quantized plateau in a quantum anomalous Hall insulator-superconductor structure is reported by a recent experiment [Q. L. He \textit{et al.}, Science 357, 294-299 (2017)], which suggests the existence of the chiral Majorana fermion modes. However, such half quantized conductance plateau may also originates from a disorder-induced metallic phase. To identify the exact mechanism, we study the transport properties of such a system in the presence of strong disorders. Our results show that the local current density distributions of these two mechanisms are different. In particular, the current noises measurement can be used to distinguish them without any further fabrication of current experimental setup.
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影响因子:
3.7
作者:
Das Sarma, Sankar;Nayak, Chetan;Tewari, Sumanta
通讯作者:
Tewari, Sumanta
影响因子:
8.6
作者:
Lai, Keji;Kundhikanjana, Worasom;Shayegan, Mansour
通讯作者:
Shayegan, Mansour
影响因子:
8.6
作者:
Ji, Wenjie;Wen, Xiao-Gang
通讯作者:
Wen, Xiao-Gang
影响因子:
8.6
作者:
Fu, Liang;Kane, C. L.
通讯作者:
Kane, C. L.
DOI:
10.7498/aps.56.4105
发表时间:
2005-01
期刊:
--
影响因子:
--
作者:
T. Martin
通讯作者:
T. Martin