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Paper Abstract and Keywords
Presentation 2016-11-24 13:00
[Poster Presentation] Limit on Quantum State Generation under Dissipation
Kohei Kobayashi, Naoki Yamamoto (Keio Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) To realize quantum information technology, control for generating a target quantum state is highly necessary. However, in a realistic setup, a quantum state collapses to a mixed state due to dissipation and an arbitrary quantum state generation becomes impossible. Therefore it is important to quantify how close the controlled quantum state can be driven to a target state under dissipation. In this paper, we propose a general theory giving the estimate on the reachability on quantum state generation by feedback control under dissipation. As an example, we give a theoretical bound on a single-spin state with feedback control based on continuous measurement.
Keyword (in Japanese) (See Japanese page) 
(in English) Quantum State Generation / Quantum Feedback Control / Reachability / Dissipation / / / /  
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Conference Information
Committee QIT  
Conference Date 2016-11-24 - 2016-11-25 
Place (in Japanese) (See Japanese page) 
Place (in English) KEK Kobayashi-hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Quantum Information 
Paper Information
Registration To QIT 
Conference Code 2016-11-QIT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Limit on Quantum State Generation under Dissipation 
Sub Title (in English)  
Keyword(1) Quantum State Generation  
Keyword(2) Quantum Feedback Control  
Keyword(3) Reachability  
Keyword(4) Dissipation  
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1st Author's Name Kohei Kobayashi  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Naoki Yamamoto  
2nd Author's Affiliation Keio University (Keio Univ.)
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Speaker Author-1 
Date Time 2016-11-24 13:00:00 
Presentation Time 90 minutes 
Registration for QIT 
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