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Paper Abstract and Keywords
Presentation 2019-11-18 13:50
[Poster Presentation] Error trade-off relations for two-parameter unitary model with commuting generators
Shin Funada, Jun Suzuki (UEC)
Abstract (in Japanese) (See Japanese page) 
(in English) We investigated whether the trade-off relation between the diagonal elements of the mean square error matrix exist when the generators of the unitary transformation are commuting based on the quantum parameter estimation theory. The reference states we used for the investigation are i) pure state, ii) a single qubit in the mixed state, and iii) a single qutrit in the mixed state. In the case of i) pure state and ii) a single qubit, the trade-off relation does not exist. In the case of iii) a single qutrit, however, we are able to make an example showing the trade-off relation.
Keyword (in Japanese) (See Japanese page) 
(in English) trade-off relation / quantum parameter estimation theory, / quantum Fisher information / / / / /  
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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 English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Error trade-off relations for two-parameter unitary model with commuting generators 
Sub Title (in English)  
Keyword(1) trade-off relation  
Keyword(2) quantum parameter estimation theory,  
Keyword(3) quantum Fisher information  
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1st Author's Name Shin Funada  
1st Author's Affiliation The University of Electro-Communications (UEC)
2nd Author's Name Jun Suzuki  
2nd Author's Affiliation The University of Electro-Communications (UEC)
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Speaker Author-1 
Date Time 2019-11-18 13:50:00 
Presentation Time 120 minutes 
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