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Type: 
Journal
Description: 
The exact entanglement evolution of two two-level systems, coupled to N surrounding spin\frac {1}{2}, is analysed with the help of a new criterion relying on the ability of measuring a few simple observables only.
Publisher: 
Publication date: 
1 Oct 2007
Authors: 

E Ferraro, A Napoli, A Messina

Biblio References: 
Volume: 40 Issue: 43 Pages: F935-F941
Origin: 
Journal of Physics A Mathematical General