A criterion for entanglement in two two-level systems

被引：6

作者：

Ferraro, E. ^{[1
]}

Napoli, A. ^{[1
]}

Messina, A. ^{[1
]}

机构：

[1] Univ Palermo, Dipartimento Sci Fis & Astron, I-90123 Palermo, Italy

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL | 2007年 / 40卷 / 43期

关键词：

D O I：

10.1088/1751-8113/40/43/F02

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The exact entanglement evolution of two two-level systems, coupled to N surrounding spin 1/2, is analysed with the help of a new criterion relying on the ability of measuring a few simple observables only.

引用

页码：F935 / F941

页数：7

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