Separability of two-qubit state in terms of local invariants

被引:0
|
作者
Gerdt V.P. [1 ]
Palii Y.G. [1 ,2 ]
Khvedelidze A.M. [1 ,3 ]
机构
[1] Joint Institute for Nuclear Research
[2] Institute of Applied Physics, Chisinau
[3] Razmadze Mathematical Institute
基金
俄罗斯基础研究基金会; 美国国家科学基金会;
关键词
Density Matrix; Nucleus Letter; Hermitian Matrice; QUBIT State; Local Invariant;
D O I
10.1134/S1547477111050074
中图分类号
学科分类号
摘要
The separability condition for the two-qubit mixed state is formulated in terms of a system of inequalities in invariants of the adjoint SU(2) ⊗ SU(2) action on the space of density matrices, i. e., positive semidefinite 4 × 4 Hermitian matrices. © 2011 Pleiades Publishing, Ltd.
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页码:451 / 454
页数:3
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