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Type: 
Journal
Description: 
The exact dynamics of a disordered spin star system, describing a central spin coupled to N distinguishable and non interacting spins 1/2, is reported. Exploiting their interaction with the central single spin system, we present possible conditional schemes for the generation of W-like states, as well as of well-defined angular momentum states, of the N uncoupled spins. We provide in addition a way to estimate the coupling intensity between each of the N spins and the central one. Finally the feasibility of our procedure is briefly discussed.
Publisher: 
Publication date: 
1 Jul 2008
Authors: 

E Ferraro, A Napoli, MA Jivulescu, A Messina

Biblio References: 
Volume: 160 Pages: 157-164
Origin: 
European Physical Journal Special Topics