A note on local unitary equivalence of isotropic-like states

We consider the local unitary equivalence of a class of quantum states in a bipartite case and a multipartite case. The necessary and sufficient condition is presented. As special cases, the local unitary equivalent classes of isotropic state and Werner state are provided. Then we study the local un...

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Published in:Chinese physics B 2015-12, Vol.24 (12), p.228-231
Main Author: 张廷桂 华波波 李明 赵明镜 杨红
Format: Article
Language:English
Subjects:
Equivalence
充分必要条件
充分条件
各向同性
局域
注记
状态
等价性
量子态
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description We consider the local unitary equivalence of a class of quantum states in a bipartite case and a multipartite case. The necessary and sufficient condition is presented. As special cases, the local unitary equivalent classes of isotropic state and Werner state are provided. Then we study the local unitary similar equivalence of this class of quantum states and analyze the necessary and sufficient condition.
doi_str_mv 10.1088/1674-1056/24/12/120305
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2058-3834
1741-4199
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source Institute of Physics:Jisc Collections:IOP Publishing Read and Publish 2024-2025 (Reading List)
subjects Equivalence
充分必要条件
充分条件
各向同性
局域
注记
状态
等价性
量子态
title A note on local unitary equivalence of isotropic-like states
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