Science China Physics Mechanics and Astronomy

Practical approach for detecting k-nonseparability of multipartite quantum states

Guo Jie, Jinchuan Hou, Xiaofei Qi, Kan He

Published Oct 25, 2024• 4 citations

Publisher

DOI: 10.1007/s11433-024-2497-7

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Science China Physics Mechanics and Astronomy

Practical approach for detecting k-nonseparability of multipartite quantum states

Guo Jie, Jinchuan Hou, Xiaofei Qi, Kan He

Published Oct 25, 2024• 4 citations

Publisher

DOI: 10.1007/s11433-024-2497-7

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Science China Physics Mechanics and AstronomyOct 30, 20240 citations

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Yan Hong, Ting Gao, Fengli Yan

arXiv:2012.02987Physics Letters AApr 7, 202129 citations

Lower bounds of concurrence for N-qubit systems and the detection of k-nonseparability of multipartite quantum systems

Xianfei Qi, Ting Gao, Fengli Yan

arXiv:1605.05000Quantum Information ProcessingDec 19, 201612 citations

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Yinzhu Wang, Danxia Wang

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Detection of $k$ -nonseparable $n$ -partite quantum statesDetection of $k$-nonseparable $n$-partite quantum states

Ting Gao, Yan Hong

The detection of multipartite entanglement in arbitrary dimensional systems is investigated. We derive useful $k$ -separability criteria of mixed $n$ -partite ( $n\geq 3$ ) quantum states to detect $k$ -nonseparable $n$ -partite quantum states. Our criteria can be expressed by the elements of the density matrix, which allows a simple and practical evaluation and computation. They are experimentally accessible without quantum state tomography.The detection of multipartite entanglement in arbitrary dimensional systems is investigated. We derive useful $k$-separability criteria of mixed $n$-partite ($n\geq 3$) quantum states to detect $k$-nonseparable $n$-partite quantum states. Our criteria can be expressed by the elements of the density matrix, which allows a simple and practical evaluation and computation. They are experimentally accessible without quantum state tomography.

arXiv:1207.1596Jul 6, 20120 citations

Detection of

k

-nonseparable

n

-partite quantum states

The detection of multipartite entanglement in arbitrary dimensional systems is investigated. We derive useful

k

-separability criteria of mixed

n

-partite (

n\geq 3

) quantum states to detect

k

-nonseparable

n

-partite quantum states. Our criteria can be expressed by the elements of the density matrix, which allows a simple and practical evaluation and computation. They are experimentally accessible without quantum state tomography.