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Paper Abstract and Keywords
Presentation 2022-12-08 10:30
Conserved charges in the quantum simulation of integrable spin chains
Kazunobu Maruyoshi (Seikei Univ.), Takuya Okuda, Juan Pedersen (U. Tokyo), Ryo Suzuki (SEU), Masahito Yamazaki (U. Tokyo), Yutaka Yoshida (MGU)
Abstract (in Japanese) (See Japanese page) 
(in English) This talk is about the applications of integrable systems to digital quantum computers. We simulate the time evolution of Heisenberg spin chain from some initial state using digital quantum computers. It is known that the method of integrable Trotterization provides a simple quantum circuit while maintaining integrability. We performed simulation on a classical and a quantum computer, by implementing an integrable quantum circuit as well as an efficient measurement protocol for the higher conserved charges along the time evolution. Then we investigate quantum noise and its effect on the charges at the early and late stages of time evolution. We expect that the higher-charge measurement can be used for benchmarking quantum computers in future.
Keyword (in Japanese) (See Japanese page) 
(in English) Quantum computation / integrable systems / benchmarking / / / / /  
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Conference Information
Committee QIT  
Conference Date 2022-12-08 - 2022-12-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Keio Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quantum Information 
Paper Information
Registration To QIT 
Conference Code 2022-12-QIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Conserved charges in the quantum simulation of integrable spin chains 
Sub Title (in English)  
Keyword(1) Quantum computation  
Keyword(2) integrable systems  
Keyword(3) benchmarking  
1st Author's Name Kazunobu Maruyoshi  
1st Author's Affiliation Seikei University (Seikei Univ.)
2nd Author's Name Takuya Okuda  
2nd Author's Affiliation University of Tokyo (U. Tokyo)
3rd Author's Name Juan Pedersen  
3rd Author's Affiliation University of Tokyo (U. Tokyo)
4th Author's Name Ryo Suzuki  
4th Author's Affiliation Shing-Tung Yau Center of Southeast University, (SEU)
5th Author's Name Masahito Yamazaki  
5th Author's Affiliation University of Tokyo (U. Tokyo)
6th Author's Name Yutaka Yoshida  
6th Author's Affiliation Meiji Gakuin University (MGU)
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Speaker Author-4 
Date Time 2022-12-08 10:30:00 
Presentation Time 15 minutes 
Registration for QIT 
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