Reflections upon separability and distillability

被引：132

作者：

Bruss, D ^{[1
]}

Cirac, JI

Horodecki, P

Hulpke, F

Kraus, B

Lewenstein, M

Sanpera, A

机构：

[1] Leibniz Univ Hannover, Inst Theoret Phys, D-30167 Hannover, Germany

[2] Univ Innsbruck, Inst Theoret Phys, A-6020 Innsbruck, Austria

[3] Gdansk Univ Technol, Fac Appl Phys & Math, PL-80952 Gdansk, Poland

来源：

JOURNAL OF MODERN OPTICS | 2002年 / 49卷 / 08期

关键词：

D O I：

10.1080/09500340110105975

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An abstract formulation is presented of the so-called Innsbruck-Hannover programme that investigates quantum correlations and entanglement in terms of convex sets. A unified description is given of optimal decompositions of quantum states and the optimization of witness operators that detect whether a given state belongs to a given convex set. The abstract formulation is illustrated with several examples, and relations between optimal entanglement witnesses and n-copy non-distillable states with non-positive partial transpose are discussed.

引用

页码：1399 / 1418

页数：20

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