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Selective reset of a chain of interacting superconducting qubits

  • Autori: De Simone, G.; Migliore, R.; Guccione, M.; Messina, A.
  • Anno di pubblicazione: 2010
  • Tipologia: Articolo in rivista (Articolo in rivista)
  • Parole Chiave: Josephson devices, Quantum computing, Entanglement, Quantum control.
  • OA Link:


We propose and analyze a scheme for the selective reset of a chain of inductively coupled Josephson flux qubits initially prepared in a multipartite entangled state. The possibility of controlling at will the coupling between two prefixed qubits is exploited to drive a "generalized W state" to a factorized state with only one qubit in the excited state and all the other qubits in their own ground states.