Experimental implementation of a quantum random-walk search algorithm using strongly dipolar coupled spins | |
Lu, Dawei3,4; Zhu, Jing1,3,4,6; Zou, Ping2,5; Peng, Xinhua3,4; Yu, Yihua1,6; Zhang, Shanmin1,6; Chen, Qun1,6; Du, Jiangfeng3,4 | |
刊名 | PHYSICAL REVIEW A
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2010-02-01 | |
卷号 | 81期号:2页码:6 |
ISSN号 | 1050-2947 |
DOI | 10.1103/PhysRevA.81.022308 |
通讯作者 | Lu, Dawei() |
英文摘要 | An important quantum search algorithm based on the quantum random walk performs an oracle search on a database of N items with O(root phN) calls, yielding a speedup similar to the Grover quantum search algorithm. The algorithm was implemented on a quantum information processor of three-qubit liquid-crystal nuclear magnetic resonance (NMR) in the case of finding 1 out of 4, and the diagonal elements' tomography of all the final density matrices was completed with comprehensible one-dimensional NMR spectra. The experimental results agree well with the theoretical predictions. |
资助项目 | National Nature Science Foundation of China[10975124] ; Ministry of Education of PRC, Chinese Academy of Sciences, National Fundamental Research Program[2007CB925200] |
WOS研究方向 | Optics ; Physics |
语种 | 英语 |
出版者 | AMER PHYSICAL SOC |
WOS记录号 | WOS:000275072500058 |
资助机构 | National Nature Science Foundation of China ; Ministry of Education of PRC, Chinese Academy of Sciences, National Fundamental Research Program |
内容类型 | 期刊论文 |
源URL | [http://ir.imr.ac.cn/handle/321006/102297] ![]() |
专题 | 金属研究所_中国科学院金属研究所 |
通讯作者 | Lu, Dawei |
作者单位 | 1.E China Normal Univ, Shanghai Key Lab Magnet Resonance, Shanghai 200062, Peoples R China 2.S China Normal Univ, Lab Quantum Informat Technol, Int Ctr Mat Phys, Guangzhou 510006, Guangdong, Peoples R China 3.Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China 4.Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Anhui, Peoples R China 5.S China Normal Univ, SPTE, Guangzhou 510006, Guangdong, Peoples R China 6.E China Normal Univ, Dept Phys, Shanghai 200062, Peoples R China |
推荐引用方式 GB/T 7714 | Lu, Dawei,Zhu, Jing,Zou, Ping,et al. Experimental implementation of a quantum random-walk search algorithm using strongly dipolar coupled spins[J]. PHYSICAL REVIEW A,2010,81(2):6. |
APA | Lu, Dawei.,Zhu, Jing.,Zou, Ping.,Peng, Xinhua.,Yu, Yihua.,...&Du, Jiangfeng.(2010).Experimental implementation of a quantum random-walk search algorithm using strongly dipolar coupled spins.PHYSICAL REVIEW A,81(2),6. |
MLA | Lu, Dawei,et al."Experimental implementation of a quantum random-walk search algorithm using strongly dipolar coupled spins".PHYSICAL REVIEW A 81.2(2010):6. |
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