Title:
量子状態生成方法、量子状態生成装置、及びプログラム
Document Type and Number:
Japanese Patent JP5669069
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To generate a plurality of quantum bits in desired entanglement states while suppressing influence of loss, using a probabilistic gate.SOLUTION: A method includes performing X measurement of one quantum bit contained in a first quantum bit set consisting of three or more quantum bits in an entanglement state, to generate a second quantum bit set in a quantum state: |η>|Φ>|Φ>|η>+|η>|Φ>|Φ>|η>. To the quantum state and a quantum state of a third quantum bit set: |η>|Φ>|η>+|η>|Φ>|η>, a quantum operation is applied represented by the relation: γ<Φ|<Φ|+γ<Φ|<Φ|, to generate a fourth quantum bit set in a quantum state: |η>|Φ>|η>+|η>|Φ>|η>, which is in an entanglement state.
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Inventors:
徳永 裕己
井元 信之
井元 信之
Application Number:
JP2011182183A
Publication Date:
February 12, 2015
Filing Date:
August 24, 2011
Export Citation:
Assignee:
日本電信電話株式会社
国立大学法人大阪大学
国立大学法人大阪大学
International Classes:
G02F3/00; G06E3/00; H04L9/12
Attorney, Agent or Firm:
Naoki Nakao
Yukio Nakamura
Munehiro Yoshimura
Yukio Nakamura
Munehiro Yoshimura