中国科学院 ARP系统 继续教育网 English 邮箱登录 网站地图
您现在的位置:首页>通知公告>学术报告
Statistical quasi-particles dynamics theory
更新日期:2021-06-21  
题 目:Statistical quasi-particles dynamics theory
报告人:严以京 教授
单 位:中国科技大学
时 间:2021/6/22 15:00
地 点:纳米楼二楼报告厅
----------------------------------
附简介:
After a general background on the theories of open quantum systems, I will present the Dissipaton Equation of Motion (DEOM) theory [1], developed in my group since 2014. Physically, dissipatons are statistical quasi-particles that describe the influences of Gaussian hybrid environments. The underlying dissipaton algebra includes the generalized Wick's theorem for both hybridization coordinates [1,2] and conjugated momentums [3]. This generalizes and enriches the existing exact and nonperturbative approaches, such as the numerical renormalization group method, the Feynman-Vernon path-integral influence functional formalism and its time-derivative equivalence. The DEOM theory enables accurate evaluations on strongly correlated impurities systems, covering from thermodynamics to quantum transport and quantum noise problems [4]. Finally, I will share with you some on-going projects and excitements, together with the implications on the field of computational chemistry in general. 1. Y. J. Yan, J. Chem. Phys. 140, 054105 (2014); Y. J. Yan, J. S. Jin, R. X. Xu, and X. Zheng, Front. Phys. 11, 110306 (2016). 2. J. S. Jin, S. K. Wang, X. Zheng, and Y. J. Yan, J. Chem. Phys. 142, 234108 (2015); H. D. Zhang, R. X. Xu, X. Zheng, and Y. J. Yan, Mol. Phys. 116, 780 (2018). 3. Y. Wang, R. X. Xu, and Y. J. Yan, J. Chem. Phys. 152, 041102 (2020). 4. L. Z. Ye, X. L. Wang, D. Hou, R. X. Xu, X. Zheng, and Y. J. Yan, WIREs Comp. Mol. Sci. (2016); X. L. Wang, Dong Hou, X. Zheng, and Y. J. Yan, J. Chem. Phys. 144, 034101 (2016); X.L. Wang, L.Q. Yang, L. Z. Ye, X. Zheng, and Y. J. Yan, J. Phys. Chem. Letts. 9, 2418 (2018). 
----------------------------------
报告网页链接如下:严以京教授学术报告链接