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Paper Abstract and Keywords
Presentation 2019-11-18 13:50
[Poster Presentation] Improvement of quantum error correction by optimizing frequency of syndrome measurements
Shoya Takagi, Keisuke Fujii (Osaka Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) The realization of long-life quantum memory is essential for the execution of large-scale quantum computations. Surface code, a promising technology for keeping quantum information stable devised by Kitaev leads to a very high error threshold. In this proposal, we employed a model in which noise accumulates on qubits over time and analysed the optimal syndrome measurement interval for extending the lifetime of quantum information. As a result, it was found that the lowest logical error probability was obtained at the timing when effective $ p_1 $ became about half of $ p_2 $.
Keyword (in Japanese) (See Japanese page) 
(in English) quantum error correction / surface code / syndrome measurement / circuit noise model / / / /  
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Conference Information
Committee QIT  
Conference Date 2019-11-18 - 2019-11-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Gakushuin University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quantum Information 
Paper Information
Registration To QIT 
Conference Code 2019-11-QIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of quantum error correction by optimizing frequency of syndrome measurements 
Sub Title (in English)  
Keyword(1) quantum error correction  
Keyword(2) surface code  
Keyword(3) syndrome measurement  
Keyword(4) circuit noise model  
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1st Author's Name Shoya Takagi  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Keisuke Fujii  
2nd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2019-11-18 13:50:00 
Presentation Time 120 minutes 
Registration for QIT 
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