A single photon produces general W state of N qubits and its application
arXiv:quant-ph/0703176 · doi:10.1088/0253-6102/48/1/016
Abstract
Based on the Wu's scheme[1], We prepare the general N-qubit W state. We find that the concurrence of two qubits in general N-qubit W state is only related to their coefficients and we successfully apply the general N-qubit W state to quantum state transfer and quantum state prepare like that in two-qubit system.
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