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Paper Abstract and Keywords
Presentation 2013-11-19 09:20
Experimental evaluation of measurement error and disturbance of Ozawa's inequality in two level systems
Masataka Iinuma, Yutaro Suzuki, Ryuji Kinoshita, Holger F. Hofmann (Hiroshima Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) The Ozawa's inequality has been experimentally verified by the recent experiments with a neutron spin or a photon polarization. However, the meaning as physics for the Ozawa's error and disturbance still remains unclear. So, we investigated the physical meaning of them and the feasibility of direct evaluation of the Ozawa's error and disturbance only for the two-level systems. As the results, we showed that the concept of flipping probabilities can explain the clear meaning of them and made the experimental evaluations with the variable strength measurement for photon polarization.
Keyword (in Japanese) (See Japanese page) 
(in English) variable strength measurement / error / disturbance / Ozawa's inequality / flipping probabilities / / /  
Reference Info. IEICE Tech. Rep.
Paper #  
Date of Issue  
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee QIT  
Conference Date 2013-11-18 - 2013-11-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Waseda Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quantum Information 
Paper Information
Registration To QIT 
Conference Code 2013-11-QIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Experimental evaluation of measurement error and disturbance of Ozawa's inequality in two level systems 
Sub Title (in English)  
Keyword(1) variable strength measurement  
Keyword(2) error  
Keyword(3) disturbance  
Keyword(4) Ozawa's inequality  
Keyword(5) flipping probabilities  
1st Author's Name Masataka Iinuma  
1st Author's Affiliation Hiroshima University (Hiroshima Univ.)
2nd Author's Name Yutaro Suzuki  
2nd Author's Affiliation Hiroshima University (Hiroshima Univ.)
3rd Author's Name Ryuji Kinoshita  
3rd Author's Affiliation Hiroshima University (Hiroshima Univ.)
4th Author's Name Holger F. Hofmann  
4th Author's Affiliation Hiroshima University (Hiroshima Univ.)
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Speaker Author-1 
Date Time 2013-11-19 09:20:00 
Presentation Time 20 minutes 
Registration for QIT 
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