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Xing, HJ; Wang, AD; Tan, QS; Zhang, WX; Yi, S; Xing, HJ (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
Heisenberg-scaled magnetometer with dipolar spin-1 condensates
发表期刊PHYSICAL REVIEW A
语种英语
摘要We propose a scheme to realize a Heisenberg-scaled magnetometer using dipolar spin-1 condensates. The input state of magnetometer is prepared by slowly sweeping a transverse magnetic field to zero, which yields a highly entangled spin state of N atoms. We show that this process is protected by a parity symmetry such that the state preparation time is within the reach of the current experiment. We also propose a parity measurement with a Stern-Gerlach apparatus which is shown to approach the optimal measurement in the large atom number limit. Finally, we show that the phase estimation sensitivity of the proposed scheme roughly follows the Heisenberg scaling.
2016
卷号93期号:4页码:43615
学科领域Optics ; Physics
DOIhttp://dx.doi.org/10.1103/PhysRevA.93.043615
收录类别SCI
项目资助者National 973 program [2012CB922104] ; National 973 program [2012CB922104] ; National 973 program [2012CB922104] ; National 973 program [2012CB922104] ; NSFC [11434011, 11421063, 11574239] ; NSFC [11434011, 11421063, 11574239] ; NSFC [11434011, 11421063, 11574239] ; NSFC [11434011, 11421063, 11574239]
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21688
专题理论物理所科研产出_SCI论文
通讯作者Xing, HJ (reprint author), Chinese Acad Sci, Inst Theoret Phys, Key Lab Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
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GB/T 7714
Xing, HJ,Wang, AD,Tan, QS,et al. Heisenberg-scaled magnetometer with dipolar spin-1 condensates[J]. PHYSICAL REVIEW A,2016,93(4):43615.
APA Xing, HJ,Wang, AD,Tan, QS,Zhang, WX,Yi, S,&Xing, HJ .(2016).Heisenberg-scaled magnetometer with dipolar spin-1 condensates.PHYSICAL REVIEW A,93(4),43615.
MLA Xing, HJ,et al."Heisenberg-scaled magnetometer with dipolar spin-1 condensates".PHYSICAL REVIEW A 93.4(2016):43615.
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