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Paper Abstract and Keywords
Presentation 2016-05-30 13:00
[Poster Presentation] Quantum State Tomography Enhanced by Quantum Multiple Scattering
Takahiro Suzuki, Kazuya Yuasa (Waseda Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) We show that the precision of quantum state tomography can be enhanced by quantum interference effects. We try to reconstruct the quantum state of a spin through the scattering data acquired by scattering a probe spin by the target spin along a 1D line. We put an auxiliary potential near the target spin to provoke multiple scattering of the probe spin between the target and the auxiliary potential. We show that the quantum superposition
induced by the multiple scattering can enhance the precision of the state tomography of the target spin.
Keyword (in Japanese) (See Japanese page) 
(in English) quantum state tomography / quantum Cramer-Rao inequality / quantum Fisher information / quantum interference / quantum multiple scattering / / /  
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Conference Information
Committee QIT  
Conference Date 2016-05-30 - 2016-05-31 
Place (in Japanese) (See Japanese page) 
Place (in English) Kochi University of Technology Eikokuji campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quantum Information 
Paper Information
Registration To QIT 
Conference Code 2016-05-QIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Quantum State Tomography Enhanced by Quantum Multiple Scattering 
Sub Title (in English)  
Keyword(1) quantum state tomography  
Keyword(2) quantum Cramer-Rao inequality  
Keyword(3) quantum Fisher information  
Keyword(4) quantum interference  
Keyword(5) quantum multiple scattering  
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1st Author's Name Takahiro Suzuki  
1st Author's Affiliation Waseda University (Waseda Univ.)
2nd Author's Name Kazuya Yuasa  
2nd Author's Affiliation Waseda University (Waseda Univ.)
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Speaker Author-1 
Date Time 2016-05-30 13:00:00 
Presentation Time 120 minutes 
Registration for QIT 
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