MONOGAMY PROPERTIES OF QUANTUM DISCORD FOR A THREE-QUBIT ENTANGLED STATE
MONOGAMY PROPERTIES OF QUANTUM DISCORD FOR A THREE-QUBIT ENTANGLED STATE
复制标题
三量子位纠缠态的量子不和谐的一夫一妻制性质
DOI:
10.1142/s0217984913500498
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发表时间:
2013-03
影响因子:
1.9
通讯作者:
Liu Ye
中科院分区:
文献类型:
--
作者:
Xueke Song;Tao Wu;Liu Ye
In this paper, we obtain the pairwise quantum discord for a three-qubit W-class state, and investigate the monogamy property of quantum discord by two different ways (relative entropy-based distance and geometric square-norm distance). Through numerical calculations, we find that a party cannot have maximal quantum correlations with the other two parties simultaneously. For the given state, the quantum correlation between particles 1 and 3 induces limitation on the quantum correlation between them and particle 2. Moreover, the result also shows that the geometric quantum discord of the given W-class state obeys the monogamy property while the entropy quantum discord violates.
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通讯作者:
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DOI:
10.1117/12.617175
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期刊:
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