Poster (Scientific congresses and symposiums)
Multiqubit symmetric states with a high geometric entanglement
Martin, John; Giraud, Olivier; Braun, Peter et al.
2011Réunion annuelle de la Société Belge de Physique
Editorial reviewed
 

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Abstract :
[en] We propose a detailed study of the geometric entanglement properties of pure symmetric N-qubit states, focusing more particularly on the identification of symmetric states with a high geometric entanglement and how their entanglement behaves asymptotically for large N. We show that much higher geometric entanglement with improved asymptotical behavior can be obtained in comparison with the highly entangled balanced Dicke states studied previously. We also derive an upper bound for the geometric measure of entanglement of symmetric states. The connection with the quantumness of a state is discussed.
Disciplines :
Physics
Author, co-author :
Martin, John  ;  Université de Liège - ULiège > Département de physique > Optique quantique
Giraud, Olivier
Braun, Peter
Braun, Daniel
Bastin, Thierry  ;  Université de Liège - ULiège > Département de physique > Spectroscopie atomique et Physique des atomes froids
Language :
English
Title :
Multiqubit symmetric states with a high geometric entanglement
Publication date :
25 May 2011
Event name :
Réunion annuelle de la Société Belge de Physique
Event place :
Namur, Belgium
Event date :
15 mai 2011
Peer reviewed :
Editorial reviewed
Available on ORBi :
since 28 May 2011

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