北京大学量子材料科学中心学术报告视频--牛谦

题目：Geometric Effects on Orbital Magnetism

报告人：牛谦

单位：University of Texas at Austin

地点：北京大学物理楼

时间：2018年12月20日

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报告摘要

Orbital magnetism is key for electrical and optical control of magnetic properties, and spin magnetism is also of orbital nature on the fundamental level. In this talk, I will present an intuitive semiclassical theory of orbital magnetism, and show how geometric and topological effects play their roles in magnetization, susceptibility, and Landau level quantization.

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个人简介

Professor Qian Niu obtained a B.S. from Peking University in 1981. He went to the University of Washington for graduate studies, and received his Ph.D. in physics in 1985. Now he is a Trull Centennial Professor of Physics at the University of Texas at Austin and an Adjunct Professor in the International Center for Quantum Materials at Peking University. He has worked on the theories on quantum Hall effects, quasicrystals, ultracold atoms, spin transport, and graphene materials, with an emphasis on topological and geometric phase effects in quantum transport. He has published more than 220 peer reviewed papers, including more than 70 in Physical Review Letters, and has over 12000 citations (with an H index of 58).

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