物理学院“博约学术论坛”系列报告 第 149 期(2018年第11期)
题目:Quantum Transport in Topological Semimetals
报告人:卢海舟 副教授(Southern University of Science and Technology)
时 间:2018年4月23日(周一) 上午9:30
地 点:北京理工大学中心教学楼610
摘要:
Topological semimetal is a 3D topological state of matter, in which the energy bands touch at a finite number of Weyl nodes. Topological semimetals host paired monopoles of Berry curvature in momentum space, topologically-protected Fermi arcs, and chiral anomaly. These novel properties have inspired many experiments to explore the quantum transport in topological semimetals. I will cover several of our recent works on the quantum transport in topological semimetals, including weak (anti-)localization [1-3] and negative magnetoresistance [4-7], anomalous Shubnikov-de Haas oscillation [8,9], Weyl node annihilation [10], and 3D quantum Hall effect [11].
References:
[1] H. Z. Lu and S. Q. Shen, Phys. Rev. B 92, 035203 (2015).
[2] C. Zhang, et al., Nature Commun. 7, 10735 (2016).
[3] X. Dai, H. Z. Lu*, S. Q. Shen, and H. Yao*, Phys. Rev. B 93, 161110(R) (2016).
[4] H. Li*, H. T. He*, H. Z. Lu*, S. Q. Shen+, J. N. Wang+, et al., Nature Commun. 7, 10301 (2016).
[5] H. Z. Lu, S. B. Zhang, and S. Q. Shen, Phys. Rev. B 92, 045203 (2015).
[6] S. B. Zhang, H. Z. Lu, and S. Q. Shen, New J. Phys. 18, 053039 (2016).
[7] X. Dai, Z. Z. Du, and H. Z. Lu*, Phys. Rev. Lett. 119, 166601 (2017).
[8] C. M. Zhang, H. Z. Lu*, and S. Q. Shen, Phys. Rev. Lett. 117, 077201 (2016).
[9] C. Li, C. M. Wang, B. Wan, X. G. Wan, H. Z. Lu*, X. C. Xie, Phys. Rev. Lett. 120, 146602 (2018).
[10] C. L. Zhang, H. Z. Lu*, J. F. Wang*, S. Jia*, et al., Nature Phys. 13, 979 (2017).
[11] C. M. Wang, H. P. Sun, H. Z. Lu*, and X. C. Xie, Phys. Rev. Lett. 109, 136806 (2017).
简历:
Haizhou Lu obtained his Ph.D. in Physics from Tsinghua University, Beijing, in 2007. From 2007 to 2015, he worked at the University of Hong Kong first as a postdoc then research assistant professor. He is now an associate professor at Southern University of Science and Technology in Shenzhen. His research interest is the quantum transport in topological states of matter. He has published over 60 articles in physics journals, including 11 in PRL, 1 in Nature Physics, and 3 in Nature Communications, with a citation over 2400 and h-index of 25.
联系方式:物理学院办公室 (68913163)
邀请人:刘铖铖
网 址:http://physics.bit.edu.cn/