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Large-scale cluster state generation with nuclear spins in diamonds

ISSN号：1674-1056
期刊名称：《中国物理B：英文版》
时间：0
分类：O413.1[理学—理论物理;理学—物理] TS934.3[轻工技术与工程]
作者机构：[1]Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of Ministry of Education, and Department of Physics, Hunan Normal University, Changsha 410081, China, [2]State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China, [3]Hefei National Laboratory for Physics Sciences at Microscale and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
相关基金：Project supported by the National Natural Science Foundation of China （Grant Nos. 10774042 and 10875039）, the Chinese Academy of Sciences and the National Fundamental Research Program of China （Grant No. 10974225）.

关键词：电子自旋, 钻石, 集群, 内华达州, 量子计算, 缺陷中心, 核自旋, 超精细, nitrogen-vacancy defect centre, cluster state, nuclear spin

中文摘要：

The cluster state is an indispensable resource for one-way quantum computing (1WQC).We propose a practical scheme for constructing cluster states among nuclear spins in nitrogen-vacancy defect centres (NV centres) in different diamonds.The entanglement of nuclear spins within an NV centre is made by hyperfine coupling via electron spin,and the entanglement between remote NV centres is accomplished using the parity projection of emitted photons.We discus the possibility to build large-scale nuclear-spin cluster states with diamonds.

英文摘要：

The cluster state is an indispensable resource for one-way quantum computing （lWQC）. We propose a practical scheme for constructing cluster states among nuclear spins in nitrogen-vacancy defect centres （NV centres） in different diamonds. The entanglement of nuclear spins within an NV centre is made by hyperfine coupling via electron spin, and the entanglement between remote NV centres is accomplished using the parity projection of emitted photons. We discus the possibility to build large-scale nuclear-spin cluster states with diamonds.

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