Multi-objective optimization in quantum parameter estimation

Multi-objective optimization in quantum parameter estimation
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量子参数估计中的多目标优化

DOI:
10.1007/s11433-017-9139-6
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发表时间:
2017-03
期刊:
SCIENCE CHINA Physics, Mechanics & Astronomy
影响因子:
--
通讯作者:
Wei Cui
Wei Cui
中科院分区:
其他
文献类型:
--
作者:
Beili Gong;Wei Cui

文献摘要

参考文献

相似文献

我们研究开放量子系统中基于线性和Kerr型非线性控制的量子参数估计,并将耗散率视为未知参数。结果表明,在提高参数估计精度的同时,往往会给系统状态带来较大的变形。此外,我们还提出了一个多目标模型来优化这两个相互冲突的目标:(1)最大化Fisher信息,提高参数估计精度;(2)最小化系统状态的变形,保持系统状态的保真度。最后,对一个简化的ε约束模型进行了模拟,验证了哈密顿控制在提高量子参数估计精度方面的可行性。
We investigate quantum parameter estimation based on linear and Kerr-type nonlinear controls in an open quantum system, and consider the dissipation rate as an unknown parameter. We show that while the precision of parameter estimation is improved, it usually introduces a significant deformation to the system state. Moreover, we propose a multi-objective model to optimize the two conflicting objectives: (1) maximizing the Fisher information, improving the parameter estimation precision, and (2) minimizing the deformation of the system state, which maintains its fidelity. Finally, simulations of a simplifiedε-constrained model demonstrate the feasibility of the Hamiltonian control in improving the precision of the quantum parameter estimation.
DOI: 10.1016/j.physrep.2017.02.003
发表时间: 2014-07
期刊: arXiv: Quantum Physics
影响因子: --
作者:
Jing Zhang;Yu-xi Liu;R. Wu;K. Jacobs;F. Nori
通讯作者: Jing Zhang;Yu-xi Liu;R. Wu;K. Jacobs;F. Nori
DOI: 10.1017/cbo9781139179027.017
发表时间: 2014
期刊: --
影响因子: --
作者:
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通讯作者: K. Jacobs
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DOI: 10.1007/s11434-012-5186-z
发表时间: 2012-05
影响因子: --
作者:
Zhang, Jun
通讯作者: Zhang, Jun
DOI: 10.1103/physrevd.23.1693
发表时间: 1981-01-01
期刊: PHYSICAL REVIEW D
影响因子: 5
作者:
CAVES, CM
通讯作者: CAVES, CM
DOI: 10.1007/s11433-017-9107-5
发表时间: 2017-10
期刊: Science China Physics, Mechanics & Astronomy
影响因子: --
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