不同噪声环境中量子精密测量及其量子模拟实验检验的研究进展

艾清1, 王洋洋2,3, 邱静4

1. 北京师范大学物理学系，100875，北京
2. 陕西省可控中子源工程技术研究中心，西京学院电子信息学院，710123，陕西西安
3. 陕西省可控中子源应用技术国际联合研究中心，西京学院电子信息学院，710123，陕西西安
4. 西南技术物理研究所，610041，四川成都

摘要：量子精密测量利用量子纠缠和量子相干性提高测量精度． 本文简要回顾了在各种噪声环境中的量子精密测量方案，包括非马尔科夫噪声、关联噪声、双光子噪声环境等． 另外，量子信息的蓬勃发展让我们能够设计和利用相应的量子模拟实验，从而检验各种量子精密测量理论方案的实验可行性．
关键词：量子精密测量, 开放量子系统, 非马尔科夫, 量子芝诺效应, 量子相变, 量子模拟

Quantum metrology in different environments and experimental verification by quantum simulation

Qing AI1, Yangyang WANG2,3, Jing QIU4

1. The Department of Physics，Beijing Normal University，100875，Beijing，China
2. Shaanxi Engineering Research Center of Controllable Neutron Source，School of Electronic Information，Xijing University，710123，Xi’an，Shaanxi，China
3. Shaanxi International Joint Research Center for Applied Technology of Controllable Neutron Source，School of Electronic Information，Xijing University，710123，Xi’an，Shaanxi，China
4. Southwest Institute of Technical Physics，610041，Chengdu，Sichuan，China

Abstract: Quantum metrology based on quantum entanglement and quantum coherence improves the accuracy of measurements． This paper briefly reviews schemes of quantum metrology in various complex environments，including non-Markovian noise，correlated noise，and two-photon relaxation． The booming development of quantum information allows one to utilize quantum simulation experiments to test the feasibility of various theoretical schemes and demonstrate the rich physical phenomena in different baths．
Key words: quantum metrology, open quantum system, non-Markovian, quantum Zeno effect, quantum phase transition, quantum simulation