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【直播】【量子科学论坛】新加坡国立大学 Yingkai Ouyang 博士学术报告
直播二维码
本次报告由北京量子信息科学研究院主办，于2021年9月8日10:30开始，授权蔻享学术进行网络直播。
Tailor-made quantum error correction codes: Coherent error avoiding codes and permutation-invariant codes
报告人
Yingkai Ouyang博士（新加坡国立大学）
时间
2021年9月8日 10:30-11:30
报告摘要
This talk comprises of two parts. Part I: Coherent errors, which arise from collective couplings, are a dominant form of noise in many realistic quantum systems, and are more damaging than oft considered stochastic errors. Here, we propose a simple strategy of integrating stabilizer codes with constant-excitation codes by code concatenation to completely avoid coherent errors. Namely, we can concatenate an [[n,k,d]] stabilizer outer code with dual-rail inner codes, to obtain a [[2n,k,d]] constant-excitation code immune from coherent phase errors. Part II: Permutation-invariant quantum codes are invariant under any permutation of the underlying particles. These codes could have potential applications in quantum sensors and quantum memories. Here I will review the field of permutation-invariant codes, from code constructions to applications.
报告人介绍
图 | Yingkai Ouyang
Yingkai Ouyang received his Ph.D. degree in Combinatorics and Optimization from the University of Waterloo in 2013. He did postdocs in Singapore and Sheffield, UK, and is currently at the National University of Singapore. His research interest lies in quantum error correction and intersections with quantum metrology, quantum computation and other aspects of quantum information theory.
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https://www.koushare.com/topicIndex/i/baqis-lzkx
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