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N-qubit states as points on the Bloch sphere

  • Autori: Makela, H.; Messina, A.
  • Anno di pubblicazione: 2010
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • Parole Chiave: entanglement, density matrix
  • OA Link:


We show how the Majorana representation can be used to express the pure states of an N-qubit system as points on the Bloch sphere. We compare this geometrical representation of N-qubit states with an alternative one, proposed recently by the present authors.