报告题目：Cross correlation mediated by distant Majorana zero modes with no overlap

报告人：李新奇 教授（量子交叉研究中心）

报告时间：2021 年 5 月 20 日（周四）15：30

报告地点：线上报告（腾讯会议：606 322 183 ）

报告摘要：

We revisit the important problem of Majorana nonlocality and propose an experimental scheme to demonstrate the nonvanishing cross correlation even at the ideal limit. The proposed scheme employs the Andreev-process-associated branch circuit currents, which are theoretically obtained by applying a decomposition analysis for the total currents while in practical measurement, are accessible directly. For different bias voltage setup, we find intriguing results of both negative and positive correlations and carry out simple physical understanding using a quantum jump technique. Importantly, combining together with the evidence of the zero-bias-peak of conductance, the nonlocal cross correlation predicted in this work can help to definitely confirm the existence of the nonlocal Majorana zero modes.

报告人简介：

李新奇，天津大学量子交叉研究中心教授，国家基金委“杰出青年基金”获得者。研究兴趣主要包括量子输运、量子测量、以及量子信息和量子计算。在物理学核心刊物发表论文100余篇。近期研究兴趣主要集中在量子精密测量、超导量子计算和拓扑量子计算。

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[6]  L. Qin, W. Feng, and X. Q. Li, Cross correlation mediated by distant Majorana zero modes with no overlap, arXiv:2104.12991v1