副高级职称
![](../../../../images/2022-09/ed8d82d38a3e4b47a5b9afc05c615df7.jpg)
徐大智
职称: 长聘副教授
联系电话: 中关村网络中心407
学系: 理论物理系
E-mail: dzxu@bit.edu.cn
通讯地址:
教育经历
2008-09至2014-01, 中国科学院理论物理研究所,博士 2004-09至2008-07, 中国科学技术大学,本科
工作经历
2016-09至今, 北京理工大学,预聘助理教授 2015-10至2016-07, 新加坡-麻省理工联合科技研究中心,博士后 2015-03至2015-10, 麻省理工学院,博士后 2014-07至2015-03, 南洋理工大学,博士后
科研方向
研究方向为量子系统的测量问题与相干控制,量子热机与量子热力学,有限时间热力学,光合作用系统中的量子效应等。
学术成就
代表性科研成果:
(1)给出了低耗散热机在有限输出功率情况下效率上下界迄今最为严格的解析表达式。
(2)解决了系统-环境强耦合情况下三能级量子热机的功率和效率的问题。
(3)给出了量子芝诺效应的动力学描述,理论上预言了临界时间效应并被实验证实。
科研项目:
1. 主持国家自然科学基金青年项目,2018.01-2020.12
2. 主持国家自然科学基金面上项目,2021.01-2024.12
主要论文:
1.Fang Zhao, Qing Zhao and Dazhi Xu,* Efficient measurement of the time-dependent cavity field through compressed sensing. Phys. Rev A, 106, 012602 (2022).
2.DanWang and Dazhi Xu,* Nonadiabatic evolution and thermodynamics of a time-dependent open quantum system. Phys. Rev A, 104, 032201 (2021).
3.Guohui Dong, Dazhi Xu,* and Peng Zhang,* Magnetically Induced Optical Transparency With Ultra-Narrow Spectrum. Phys. Rev A, 102, 033717 (2020).
4.Shuai Liu, Xu-Ri Yao,* Xue-Feng Liu, Da-Zhi Xu,* Xing-Da Wang, Bing Liu, Chao Wang, Guang-Jie Zhai, and Qing Zhao, Pile-up effect in an infrared single-pixel compressive LiDAR system. Opt. Express, 27(16), 22138 (2019).
5.JianyeWei, Fang Zhao, Jingyu Liu, Qing Zhao, Ning Wu, and Dazhi Xu,* Enhanced exciton transport in an optical cavity field with spatially varying profile. Phys. Rev E 100, 012125 (2019).
6.ChenWang,* Dazhi Xu,* Huan Liu, and Xianlong Gao, Thermal rectification and heat amplification in a nonequilibrium V-type three-level system. Phys. Rev. E 99, 042102 (2019).
7.Yu-Han Ma, Dazhi Xu,* Hui Dong,* and Chang-Pu Sun,* Universal constraint for efficiency and power of a low-dissipation heat engine. Phys. Rev. E 98, 042112 (2018).
8.Yu-Han Ma, Dazhi Xu,* Hui Dong,* Optimal operating protocol to achieve efficiency at maximum power of heat engines. Phys. Rev. E 98, 022133 (2018).
9.Dazhi Xu, Chen Wang, Yang Zhao and Jianshu Cao*, Polaron effects on the performance of light-harvesting systems: A quantum heat engine perspective. New J. Phys. 18, 023003 (2016).
10.Dazhi Xu and Jianshu Cao*, Non-canonical distribution and non-equilibrium transport beyond weak system-bath coupling regime: A polaron transformation approach. Front. Phys. 11(4), 110308 (2016).
11.D. Z. Xu, Sheng-Wen Li, X. F. Liu and C. P. Sun*, Non-canonical statistics of finite quantum system. Phys. Rev. E 90, 062125 (2014).
12.D. Z. Xu, Yong Li, C. P. Sun and Peng Zhang*, Collective effects of multiscattering on the coherent propagation of photons in a two-dimensional network. Phys. Rev. A 88, 013832 (2013).
13.Wenqiang Zheng#, D. Z. Xu#, Xinhua Peng, Xianyi Zhou, Jiangfeng Du and C. P. Sun*, Experimental quantum Zeno effect in NMR with entanglement-based measurement. Phys. Rev. A 87, 032112 (2013).
14.D. Z. Xu, Q. Ai and C. P. Sun*, Dispersive-coupling-based quantum Zeno effect in a cavity-QED system. Phys. Rev. A 83, 022107 (2011).
招生信息
每年招收博士或硕士生一名