中心特别邀请北京计算科学研究中心任志勇（ChiYung Yam）特聘研究员来厦访问交流，除了将做以下两场学术讲座外，还将有充分时间参观与交流，希望感兴趣的师生踊跃参与。

学术讲座的具体时间、地点如下：

 1)报告题目：Quantum Mechanical Simulations of Complex Systems: O(N) TDDFT and QM/EM Method 

  时    间：10月15日(周二) 下午16:00

  地    点：卢嘉锡楼报告厅（202）

2)报告题目：Multi-scale Quantum Mechanics/Electromagnetics Method for Device Simulations

  时    间：10月17日(周四) 下午16:00

  地    点：卢嘉锡楼报告厅（202）

任志勇博士于2013年被北京计算科学研究中心引进为特聘研究员，同年获得国家自然科学基金委的“优秀青年科学基金”。2004年在香港大学化学系陈冠华教授课题组获得博士学位，然后于德国不莱梅大学Thomas Frauenheim课题组从事博士后研究，之后回香港大学参与Area Of Excellence：theory, modeling, and simulation of emerging electronics 项目的研究。任志勇博士的主要研究方向为线性标度DFT计算方法开发，量子输运以及纳米电子器件的模拟方法开发，以及QM/EM多尺度模拟算法研究。目前发表的代表论文有：
1) “Linear-Scaling Quantum Mechanical Methods for Excited States”, ChiYung Yam, Qing Zhang, Fan Wang, and GuanHua Chen, Chem. Soc. Rev. 41, 3821 (2012).
2) “Dynamic Multiscale Quantum Mechanics/Electromagnetics Simulation Method", Lingyi Meng,  ChiYung Yam, SiuKong Koo, Quan Chen, Ngai Wong and GuanHua Chen, J. Chem. Theory Comput. 8, 1190 (2012).
3) “Multiscale quantum mechanics/electromagnetics simulation for electronic device”, ChiYung Yam, Lingyi Meng, GuanHua Chen, Quan Chen, and Ngai Wong, Phys. Chem. Chem. Phys. 13, 14365 (2011).
4) “Time-dependent density functional theory based Ehrenfest dynamics”, Fan Wang, ChiYung Yam, Lihong Hu, and GuanHua Chen, J. Chem. Phys. 135, 044126 (2011).
5) “Time-dependent density functional theory for quantum transport”, X. Zheng, G.H. Chen, Y. Mo, S.K. Koo. H. Tian, C.Y. Yam and Y.J. Yan, J. Chem. Phys. 133, 114101 (2010).
6) “Theoretical prediction of topological insulators in thallium-based III-V-VI2 ternary chalcogenides”, B.H. Yan, C.X. Liu, H.J. Zhang, C.Y. Yam, X.L. Qi, Th. Frauenheim and S.C. Zhang, Euro. Phys. Lett. 90, 37002 (2010).
7) “Local Vibrational Excitation through Extended Electronic States at a Germanium Surface”, K. Tomatsu, K. Nakatsuji, M. Yamada, F. Komori, B.H. Yan, C.Y. Yam, Th. Frauenheim, Y. Xu, and W.H. Duan, Phys. Rev. Lett. 103, 266102 (2009).
8) “Dynamic admittance of carbon nanotube-based molecular electronic devices and their equivalent circuit”, C.Y. Yam, Y. Mo, F. Wang, X.B. Li, G.H. Chen, X. Zheng, Y. Matsuda, J. Tahir-Kheli and W.A. Goddard III, Nanotechnology 19, 495203 (2008).
9) “Linear scaling time-dependent density-functional tight-binding method for absorption spectra of large systems”, F. Wang, C.Y. Yam, G.H. Chen, X.J. Wang, K.N. Fan, T.A. Niehaus and Th. Frauenheim, Phys. Rev. B 76, 045114 (2007).
10) “Time-dependent density-functional theory for open systems”, X. Zheng, F. Wang, C.Y. Yam, M. Yan and G.H. Chen, Phys. Rev. B 75, 195122 (2007).
11) “Electronic structure and charge distribution of potassium iodide intercalated single-walled carbon nanotubes”, C.Y. Yam, C.C. Ma, X.J. Wang and G.H. Chen, App. Phys. Lett. 85, 4484 (2004).
12) “Linear-scaling time-dependent density functional theory”, C.Y. Yam, S. Yokojima and G.H. Chen, Phys. Rev. B 68, 153105 (2003).