Genuinely entangled symmetric states with no N-partite correlations

被引:6
|
作者
Designolle, S. [1 ,2 ]
Giraud, O. [2 ]
Martin, J. [3 ]
机构
[1] Ecole Polytech, F-91128 Palaiseau, France
[2] Univ Paris Saclay, Univ Paris Sud, CNRS, LPTMS, F-91405 Orsay, France
[3] Univ Liege, CESAM, Inst Phys Nucl Atom & Spect, Bat B15, B-4000 Liege, Belgium
关键词
QUANTUM;
D O I
10.1103/PhysRevA.96.032322
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We investigate genuinely entangled N-qubit states with no N-partite correlations in the case of symmetric states. Using a tensor representation for mixed symmetric states, we obtain a simple characterization of the absence of N-partite correlations. We show that symmetric states with no N-partite correlations cannot exist for an even number of qubits. We fully identify the set of genuinely entangled symmetric states with no N-partite correlations in the case of three qubits, and in the case of rank-2 states. We present a general procedure to construct families for an arbitrary odd number of qubits.
引用
收藏
页数:8
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