Efficient scheme for remote preparation of arbitrary n-qubit equatorial states

doi:10.1088/1674-1056/ab773d

摘要/Abstract

摘要： Recently, a scheme for deterministic remote preparation of arbitrary multi-qubit equatorial states was proposed by Wei et al. [Quantum Inf. Process. 17 70 (2018)]. It is worth mentioning that the construction of mutual orthogonal measurement basis plays a key role in quantum remote state preparation. In this paper, a simple and feasible remote preparation of arbitrary n-qubit equatorial states scheme is proposed. In our scheme, the success probability will reach unit. Moreover, there are no coefficient constraint and auxiliary qubits in this scheme. It means that the success probabilities are independent of the coefficients of the entangled channel. The advantage of our scheme is that the mutual orthogonal measurement basis is devised. To accomplish the quantum remote state preparation (RSP) schemes, some new sets of mutually orthogonal measurement basis are introduced.

关键词: mutual orthogonal measurement basis, remote state preparation, equatorial states, success probability

Abstract: Recently, a scheme for deterministic remote preparation of arbitrary multi-qubit equatorial states was proposed by Wei et al. [Quantum Inf. Process. 17 70 (2018)]. It is worth mentioning that the construction of mutual orthogonal measurement basis plays a key role in quantum remote state preparation. In this paper, a simple and feasible remote preparation of arbitrary n-qubit equatorial states scheme is proposed. In our scheme, the success probability will reach unit. Moreover, there are no coefficient constraint and auxiliary qubits in this scheme. It means that the success probabilities are independent of the coefficients of the entangled channel. The advantage of our scheme is that the mutual orthogonal measurement basis is devised. To accomplish the quantum remote state preparation (RSP) schemes, some new sets of mutually orthogonal measurement basis are introduced.

Key words: mutual orthogonal measurement basis, remote state preparation, equatorial states, success probability

中图分类号: (Quantum communication)

03.67.Hk

03.65.Ud (Entanglement and quantum nonlocality)

查新未, 王敏锐, 姜若虚. Efficient scheme for remote preparation of arbitrary n-qubit equatorial states[J]. 中国物理B, 2020, 29(4): 40304-040304.

Xin-Wei Zha(查新未), Min-Rui Wang(王敏锐), Ruo-Xu Jiang(姜若虚). Efficient scheme for remote preparation of arbitrary n-qubit equatorial states[J]. Chin. Phys. B, 2020, 29(4): 40304-040304.

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