Rydberg quantum controlled-phase gate with one control and multiple target qubits

doi:10.1088/1674-1056/27/11/110304

摘要/Abstract

摘要：

We propose a scheme to construct the multiple-qubit Rydberg quantum controlled-phase gate with one control and multiple target qubits. The proposed quantum logic gate works under the asymmetric-Rydberg-interaction-induced dipole blockade and can be implemented with three operation steps. The most prominent characteristic of the scheme is that the required operation time and steps keep invariant as the number of qubits increases. The Rydberg state leakage and some practical situations are considered. The Lindblad master equation is used to evaluate and verify the feasibility of the scheme.

关键词: Rydberg atom, quantum logic gate, Rydberg-Rydberg interaction

Abstract:

Key words: Rydberg atom, quantum logic gate, Rydberg-Rydberg interaction

中图分类号: (Quantum information)

03.67.-a

03.67.Lx (Quantum computation architectures and implementations) 32.80.Ee (Rydberg states)

苏石磊. Rydberg quantum controlled-phase gate with one control and multiple target qubits[J]. 中国物理B, 2018, 27(11): 110304-110304.

S L Su(苏石磊). Rydberg quantum controlled-phase gate with one control and multiple target qubits[J]. Chin. Phys. B, 2018, 27(11): 110304-110304.

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