Institutional Repository of Chinese Acad Sci, Inst Intelligent Machines, Hefei 230031, Anhui, Peoples R China
Identifying different mechanisms in the control of a nitrogen-vacancy center system | |
Li, Shouzhi1,2; Yang, Ling1,2; Cao, Dewen1,2; Wang, Yaoxiong1,2; Shuang, Feng1,2,3; Gao, Fang1 | |
2017-10-10 | |
发表期刊 | PHYSICS LETTERS A |
摘要 | The nitrogenvacancy (NV) center system has shown great potential in quantum computing due to its long decoherence time at room temperature by encoding the qubit in dressed states [28]. The corresponding control mechanisms, which is expressed by the pathways linking the initial and target states, can be naturally investigated with the Hamiltonian-encoding and observable-decoding (HEOD) method in the interaction adiabatic representation. This is proved by the fact that the mechanisms change slightly with different detunings, magnetic and driving field intensities, and the dominant pathway is always |g > -> |d > -> |g >, with |g > and |d > as the first two lowest dressed states. Cases are different in the diabatic representation. The orders of dominant pathways increase the driving field intensities. Tendencies of quantum pathway amplitudes with driving fields, magnetic fields and detunings change at different conditions, which can be analyzed from the Dyson series. HEOD analysis show that the two states |g > and |d > in the interaction adiabatic representation are preferable to be employed as a qubit than the state pair |0 > and |-1 > in the diabatic representation under the current Hamiltonian and parameters. (C) 2017 Elsevier B.V. All rights reserved. |
文章类型 | Article |
关键词 | Quantum Pathway Dressed States Nv Center |
WOS标题词 | Science & Technology ; Physical Sciences |
DOI | 10.1016/j.physleta.2017.08.031 |
关键词[WOS] | DIAMOND ; SPIN |
收录类别 | SCI |
语种 | 英语 |
项目资助者 | National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; National Natural Science Foundation of China(61720106009 ; 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WOS研究方向 | Physics |
WOS类目 | Physics, Multidisciplinary |
WOS记录号 | WOS:000412615200005 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.hfcas.ac.cn:8080/handle/334002/33751 |
专题 | 中科院合肥智能机械研究所 |
作者单位 | 1.Chinese Acad Sci, Inst Intelligent Machines, Hefei 230031, Anhui, Peoples R China 2.Univ Sci & Technol China, Dept Automat, Hefei 230026, Anhui, Peoples R China 3.Anhui Polytech Univ, Dept Mech Engn, Wuhu 241000, Peoples R China |
第一作者单位 | 中科院合肥智能机械研究所 |
推荐引用方式 GB/T 7714 | Li, Shouzhi,Yang, Ling,Cao, Dewen,et al. Identifying different mechanisms in the control of a nitrogen-vacancy center system[J]. PHYSICS LETTERS A,2017,381(38):3276-3281. |
APA | Li, Shouzhi,Yang, Ling,Cao, Dewen,Wang, Yaoxiong,Shuang, Feng,&Gao, Fang.(2017).Identifying different mechanisms in the control of a nitrogen-vacancy center system.PHYSICS LETTERS A,381(38),3276-3281. |
MLA | Li, Shouzhi,et al."Identifying different mechanisms in the control of a nitrogen-vacancy center system".PHYSICS LETTERS A 381.38(2017):3276-3281. |
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