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ANTONINO MESSINA

Thermal localizable entanglement in a simple multipartite system

  • Autori: Teresi, D.; Napoli, A.; Messina, A.
  • Anno di pubblicazione: 2009
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • Parole Chiave: entanglement, spin systems
  • OA Link: http://hdl.handle.net/10447/46439

Abstract

The quantum correlations present in a system of three coupled spins 12 in a thermal state are investigated. Localizable entanglement, as well as concurrence function, is exactly evaluated. The results obtained show the existence of a temperature range corresponding to which it is impossible to localize entanglement.