A highly efficient scheme for joint remote preparation of multi-qubit W state with minimum quantum resource
One-way quantum computer
DOI:
10.1007/s11128-018-2098-0
Publication Date:
2018-10-31T06:16:37Z
AUTHORS (2)
ABSTRACT
We present a highly efficient scheme for perfect joint remote preparation of an arbitrary $$ 2^{n} $$ -qubit W state with minimum quantum resource. Both the senders Alice and Bob intend to jointly prepare one $$ 2^{n} $$ -qubit W state for the remote receiver Charlie. In the beginning, they help the remote receiver Charlie to construct one n-qubit intermediate state which is closely related to the target $$ 2^{n} $$ -qubit W state. Afterward, Charlie introduces auxiliary qubits and applies appropriate operations to obtain the target $$ 2^{n} $$ -qubit W state. Compared with previous schemes, our scheme requires minimum quantum resource and least amount of classical communication. Moreover, our scheme has a significant potential for being adapted to remote state preparation of other special states.
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