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报告题目Majorana nonlocality, teleportation and cross correlationundefined

报告人 李新奇 教授(天津大学量子交叉研究中心) 

报告时间2021 年 12 月 17 日(周五)15:30

报告地点线上报告(腾讯会议:696 379 321)

报告摘要

      Majorana zero modes (MZMs) are broadly expected as promising building blocks for topological quantum computation, largely owing to the nonlocal nature which can protect the Majorana qubits from decoherence caused by local noises. In this talk I will review our recent efforts on understanding several key issues relevant to Majorana nonlocality, teleportation and cross correlation, including such as self-consistency between the BdG S-matrix scattering approach and quasi-particle occupation-number-states treatment, and origin of the zero-cross correlation at the Majorana uncoupling limit ϵM  → 0.

参考文献:

[1] Wei Feng, Lupei Qin, and Xin-Qi Li, Cross-correlation mediated by Majorana island with finite charging energy, arXiv:2108.12778; New J Phys (2021, in press)  https://doi.org/10.1088/1367-2630/ac3efc

 [2] Lupei Qin, Wei Feng, and Xin-Qi Li, Cross correlation mediated by distant Majorana zero modes with no overlap, arXiv:2104.12991; Chin. Phys. B (2022 Jan, in press)  https://doi.org/10.1088/1674-1056/ac1572

 [3] Xin-Qi Li, Wei Feng, Lupei Qin, and Jinshuang Jin, Majorana Conductances in Three-Terminal Transports, arXiv:2008.04807; Sci. China -Mech. Phys. Astro. (Jan 2022, in press) https://doi.org/10.1007/s11433-021-1811-6 

 [4] X. Q Li and L. Xu, Nonlocality of Majorana zero modes and teleportation: Self-consistent treatment based on the Bogoliubov–de Gennes equation, Phys. Rev. B 101, 205401 (2020). 

 [5] L. Xu and X. Q. Li, Transport probe of nonadiabatic transition caused by Majorana moving,  arXiv:2111.12297

报告人简介

      李新奇,天津大学理学院量子交叉研究中心教授。2004年度“国家杰出青年基金”获得者。1995年中国科学院理论物理研究所获博士学位,相继到比利时Antwerp大学、日本东京大学、香港科技大学做博士后研究。2001年中国科学院“百人计划”学者到中科院半导体研究所工作,任研究员和博士生导师;2008年调北京师范大学工作;2017年调天津大学工作。研究领域主要包括量子输运、量子测量、以及量子信息和量子计算。





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天津大学理学院 量子交叉研究中心   地址:天津津南区 雅观路135号 天津大学北洋园校区32楼146 
Center for Joint Quantum Studies, School of Science, Tianjin University     Address : Yaguan Road 135, Jinnan District, 300350 Tianjin, P. R. China