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Determining spatial structures of ion crystals by simulated annealing method |
| Wen-Bo Wu(武文博)1,2, Chun-Wang Wu(吴春旺)1,2, Jian Li(李剑)1,2, Bao-Quan Ou(欧保全)1,2, Yi Xie(谢艺)1,2, Wei Wu(吴伟)1,2, Ping-Xing Chen(陈平形)1,2 |
1 College of Science, National University of Defense Technology, Changsha 410073, China;
2 Interdisciplinary Center for Quantum Information, National University of Defense Technology, Changsha 410073, China |
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Abstract Calculating the spatial structures of ion crystals is important in ion-trapped quantum computation. Here we demonstrate that the simulated annealing method is a powerful tool to evaluate the structures of ion crystals. By calculating equilibrium positions of 10 ions under harmonic potential and those of 120 ions under anharmonic potential, both with the standard procedure and simulated annealing method, we find that the standard procedure to evaluate spatial structures is complicated and may be inefficient in some cases, and that the simulated annealing method is more favorable.
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Received: 31 March 2017
Revised: 02 May 2017
Accepted manuscript online:
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PACS:
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03.67.Lx
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(Quantum computation architectures and implementations)
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37.10.Ty
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(Ion trapping)
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64.60.F-
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(Equilibrium properties near critical points, critical exponents)
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| Fund: Project supported by the National Basic Research Program of China (Grant No. 2016YFA0301903), the National Natural Science Foundation of China (Grant Nos. 11304387, 11174370, 61632021, 61205108, and 11305262), and the Research Plan Project of National University of Defense Technology (Grant No. ZK16-03-04). |
Corresponding Authors:
Wei Wu, Ping-Xing Chen
E-mail: weiwu@nudt.edu.cn;pxchen@nudt.edu.cn
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| About author: 0.1088/1674-1056/26/8/ |
Cite this article:
Wen-Bo Wu(武文博), Chun-Wang Wu(吴春旺), Jian Li(李剑), Bao-Quan Ou(欧保全), Yi Xie(谢艺), Wei Wu(吴伟), Ping-Xing Chen(陈平形) Determining spatial structures of ion crystals by simulated annealing method 2017 Chin. Phys. B 26 080303
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