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SUMMARY:Towards Majorana Non-Abelian Statistics in Planar Josephson Juncti
 ons
DTSTART;VALUE=DATE-TIME:20260520T070000Z
DTEND;VALUE=DATE-TIME:20260520T080000Z
DTSTAMP;VALUE=DATE-TIME:20260524T134700Z
UID:indico-event-5030@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Tong Zhou(周通) (Eastern Institute of Technology\,
  Ningbo)\n\nHost: Prof. Fanqi YuanVenue: TDLI Meeting Room N400Tencent 
 meeting link:  https://meeting.tencent.com/dm/7tCporHNosiVMeeting ID: 8
 91552632\, no password Abstract:Majorana zero modes (MZMs) are promising 
 building blocks for fault-tolerant quantum computing\, but their defining 
 non-Abelian statistics remain experimentally unprobed. In this talk\, I wi
 ll present our proposals for demonstrating MZM non-Abelian statistics thro
 ugh fusion and braiding protocols in planar Josephson junctions (PJJs). I 
 will first show how fusion and braiding can be implemented in conventional
  PJJs using gate or flux control under an appropriately oriented magnetic 
 field [1]\, and how geometric design extends this scheme to arbitrary fiel
 d directions [2]. I will then discuss how altermagnets can eliminate the n
 eed for external magnetic fields\, enabling symmetry-driven electric contr
 ol of MZMs [3-5]. Finally\, I will introduce a skyrmion-based platform tha
 t removes the requirements of both magnetic field and spin-orbit coupling 
 and enables scalable braiding [6]. Together with dynamical simulations and
  experimental observations in fabricated InAs/Al JJs\, these results estab
 lish a flexible and experimentally feasible route toward topological quant
 um computing. References:[1] T. Zhou*\, et al\, PRL 124\, 137001 (2020)\;
  Nat. Commun. 13\, 1738 (2022).[2] R. Huang\, T. Zhou*\, et al\, arXiv:250
 4.20031.[3] X. Duan\, T. Zhou*\, et al\, PRL 134\, 106801 (2025) [PRL Coll
 ection\, Editors’ Suggestion\, Featured in Physics]. [4] Z. Zhu\, T. Zh
 ou*\, et al\, PRL 136\, 186702 (2026) [Editors’ Suggestion\, Featured in
  Physics].[5]W. Tu\, T. Zhou*\, et al\, Electrical control of MZM in Alter
 magnetic JJs\, unpublished[6] X. Chen\, T. Zhou*\, et al\, MZM Braiding wi
 th Skyrmion control\, unpublished.  Biography:Dr. Tong Zhou is an Associ
 ate Professor at the Eastern Institute of Technology\, Ningbo\, and an adj
 unct Ph.D. advisor at SJTU and USTC. He earned his Ph.D. from Fudan Univer
 sity and previously served as a Research Assistant Professor at the State 
 University of New York at Buffalo. His research focuses on quantum materia
 ls\, quantum computing\, and spintronics. He has published more than 60 pa
 pers with over 4\,000 citations\, including more than 20 first- or corresp
 onding-author papers in leading journals such as PRL (5)\, Nat. Mater. (1)
 \, and Nat. Commun. (2). Some of his work has been recognized as PRL Edito
 rs’ Suggestions and Annual Collections\, and has been featured by promin
 ent science media\, including Physics\, Phys.org\, and Global Science. In 
 recognition of his contributions\, he has received the NSFC Excellent Youn
 g Scholars Award and the Zhejiang Distinguished Young Scholars Award.\n\nh
 ttps://indico-tdli.sjtu.edu.cn/event/5030/
LOCATION:Tsung-Dao Lee Institute/N4F-N400 - meeting room (Tsung-Dao Lee In
 stitute)
URL:https://indico-tdli.sjtu.edu.cn/event/5030/
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