Toffoli gate and quantum correlations: a geometrical approach

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• 作者：F. Holik ; G. Sergioli ; H. Freytes ; R. Giuntini…
• 关键词：Quantum Toffoli gate ; Quantum information ; Quantum discord ; Quantum correlations
• 刊名：Quantum Information Processing
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：16
• 期：2
• 全文大小：
• 刊物类别：Physics and Astronomy
• 刊物主题：Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics;
• 出版者：Springer US
• ISSN：1573-1332
• 卷排序：16

文摘

By using a geometrical approach, we investigate the behavior of the quantum Toffoli gate in connection to quantum correlations. Special attention is paid to states with maximally mixed marginals. Finally and in the same vein, we scrutinize the Hadamard gate.