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
收藏
页码：F935 / F941
页数：7
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