【学术视频】拓扑量子计算2019会议 | Dominic Williamson of Stanford University

图 | Dominic Williamson

题   目：Fun With Fractons

报告人：Dominic Williamson单   位：Stanford University, USA时   间：2019-12-17
地   点：南方科技大学

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报告提纲

• Fractons pose a major challenge to classifying topological phases of matter
  

1. No translation invariant gapped fractons in 2D

• Bifurcating ERG flow challenges the use of RG fixed points to classify phases

1. Loosening phase equivalence allows quotient fixed points

• There are many constructions of exotic fracton models

1. Unified through the topological defect construction

• Nonabelian type-ll fractons? Universal “braiding” ? Self-correction?
• General mathematical theory of fusion and “braiding” ?

个人简介

Dominic Williamson is a postdoc at Stanford University. He is originally from Australia, where he studied physics and mathematics while in the quantum theory group at the University of Sydney. He then obtained his Ph.D. from the University of Vienna under the supervision of Frank Verstraete, followed by a postdoc at Yale University with Meng Cheng. He is interested in the physical properties of systems that form quantum error-correcting codes, particularly those appearing in the context of topological phases, phase transitions and holography.

会议简介

会议题目：拓扑量子计算2019会议（TQC2019）会议时间：2019-12-16会议地点：深圳主办方：南方科技大学、鹏城实验室
Topological quantum computing (TQC) represents one of the best approaches to building a large-scale fault-tolerant quantum computer. The key for realizing TQC lies in the existence and manipulation of topological phases of matter. Topology, classical or quantum, is central in studying the mathematical theory of such phases. Alternatively, tensor categories and their higher dimensional generalizations give the algebraic characterizations. The conference is on all theoretical aspects that are loosely related to TQC. Interested topics include, but are not limited to, topological phases of matter, tensor/higher categories, subfactor theory, topological quantum field theories, conformal field theories, quantum error correction, entanglement, etc. 

—— ——往期精彩回顾—— ——●【学术视频】拓扑量子计算2019会议 | 复旦大学孔令欣研究员：Topological entanglement in the presence of boundaries and the defect verlinde formula●【学术视频】拓扑量子计算2019会议 | 瑞典斯德哥尔摩大学Eddy Ardonne博士：The kitaev-hubbard chain (and a parafermion generalization)●【学术视频】拓扑量子计算2019会议 | 爱尔兰国立大学Joost Slingerland博士：Two short stories about topological quantum computation "Errors in Majorana Wires" and "Anyonic vortices in Spinor BECs"●【学术视频】拓扑量子计算2019会议 | 美国路易斯安那州立大学吴少雄教授：On higher Gauss sums and central charges of modular categories●【学术视频】拓扑量子计算2019会议 | 复旦大学戚扬研究员：Computing the classification of fermionic symmetry-protected topological (SPT) states with homology algebra●【学术视频】拓扑量子计算2019会议 | 北京大学王诗宬教授：Embedding the symmetries of surfaces and graphs to those of 3-sphere●【学术视频】拓扑量子计算2019会议 | 哈佛大学Arthur Jaffe教授：Pictures, Braids, and the de Finetti Theorem●【学术视频】拓扑量子计算2019会议 | 清华大学刘正伟教授：Quantized Graphs and Quantum Error Corrections

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