A criterion for entanglement in two two-level systems

被引:5
作者
Ferraro, E. [1 ]
Napoli, A. [1 ]
Messina, A. [1 ]
机构
[1] Univ Palermo, Dipartimento Sci Fis & Astron, I-90123 Palermo, Italy
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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