Phase diagram of bipartite entanglement

Phase diagram of bipartite entanglement
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DOI:
10.1088/1751-8121/ab3f4e
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发表时间:
2019-10-11
影响因子:
2.1
通讯作者:
Yuasa, Kazuya
Yuasa, Kazuya
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Facchi, Paolo;Parisi, Giorgio;Yuasa, Kazuya

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研究了纯态下大量子系统的纠缠谱(约化密度矩阵本征值的分布)。我们认为所有的Renyi熵和恢复纯度和冯诺依曼熵的特殊情况。我们构建了该理论的相图,并揭示了两条临界线的存在。
We investigate the features of the entanglement spectrum (distribution of the eigenvalues of the reduced density matrix) of a large quantum system in a pure state. We consider all Renyi entropies and recover purity and von Neumann entropy as particular cases. We construct the phase diagram of the theory and unveil the presence of two critical lines.