Four qubit entangled pure states and K-way negativities

被引：0
|
作者：
Sharma, N. K. [1 ]
Sharma, S. Shelly [2 ]
机构：
[1] Univ Estadual Londrina, Dept Matemat, BR-86051990 Londriana, Parana, Brazil
[2] Univ Estadual Londrina, Dept Fis, BR-86051990 Londriana, Parana, Brazil
来源：
FRONTIERS OF FUNDAMENTAL AND COMPUTATIONAL PHYSICS | 2008年 / 1018卷
关键词：
entanglement; four qubit canonical states; global negativity; K-way negativity;
D O I：
暂无
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
It is known that by Stochastic local operations and classical communication (SLOCC) a pure state of four qubits can be transformed to a state belonging to one of a set of nine families of states. Using the eigen vectors corresponding to negative eigenvalues of global partial transpose and the K-way partial transposes, we construct measures of genuine four-partite, tri-partite, and bi-partite entanglement for all the nine families of states.
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页码：46 / +
页数：2
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