学术活动
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2022-1116
报告题目：Electron microscopy for physicists: From ultimate resolution to quantum states报告人：陈震 副研究员，清华大学材料学院时间：2022年11月15日上午10:00地点：理科楼C302报告摘要：Improvements in electron microscopy have provided many new opportunities to explore multiple degrees of freedom in condensed matter physics, well beyond the lattice. Now, we can detect every electron scattered by a ...
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2022-1102
报告题目:物理系colloquium: Quantum Chaos and Physical Distance Between Quantum States报告人:Biao Wu (吴飙)Peking University （北京大学）报告时间:2022-11-03 16:00报告地点:理科楼郑裕彤讲堂主办单位:物理系简介:It has been long argued and accepted that there is no true quantum chaos due to the linearity of the Schrödinger equation. Berry even suggested to change quantum chaos, a confusing oxymoron, ...
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2022-1031
题目：Probing magnetic phase diagrams of two-dimensional antiferromagnets报告人：叶堉 副教授，北京大学物理学院时间：2022年11月1日上午10:00地点：理科楼C302报告摘要：Two-dimensional (2D) magnets decouple from the substrates, allow electrical control, and are mechanically flexible, making them integratable into emergent heterostructures for advanced properties and applications previously impossibl...
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2022-1027
报告题目:物理系colloquium: “鬼”成像向更短波长发展报告人:吴令安中国科学院物理研究所报告时间:2022-10-27 16:00报告地点:理科楼郑裕彤讲堂主办单位:物理系简介:经过二十多年的发展，“鬼”成像（也可叫单像素成像）在可见和近红外波段已进入实际应用阶段。从理论上讲，电磁波的各个波长甚至微观粒子都可以实现鬼成像，其基本原理基于Hanbury Brown和Twiss的二阶强度关联函数。它的最大优势是可以透过散射介质、在微弱的照...
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2022-1026
Title: A Gigaparsec-scale Local Void and Cosmological PrincipleSpeaker: Qianhang Ding (the Hong Kong University of Science and Technology)Time: 3:30pm, Oct 26 (Wednesday) 2022Location: New Science Building (理科楼) A221Abstract: In this talk, I will introduce the inconsistency between the cosmological principle and observations. In reconciling the inconsistency, we propose that the Milky Way co...
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2022-1026
题目：复杂量子系统的大尺度模拟报告人：袁声军 教授，武汉大学物理科学与技术学院时间：2022年10月26日下午14:00会议号：腾讯会议164-497-881，https://meeting.tencent.com/dm/QUSCZlMKKJgc报告摘要：复杂量子系统的理论问题通常没有解析解，需借助计算物理方法进行数值求解。常规方法往往需要对体系哈密顿量进行对角化运算，以得到其本征值和本征态，这使得计算消耗和哈密顿量维度三次方成正比，极大限制了研究系统的尺度。...
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2022-1024
Title: Gravitational Waves from the Early UniverseSpeaker: Zong-Kuan Guo (郭宗宽)Time: 1:30pm, Oct 27 (Thursday) 2022Abstract: The detection of GWs has opened a new window to explore our Universe. I shall present the mechanism of the GW production during some physical processes of the early Universe and current observational constraints on stochastic GW backgrounds from LIGO-Virgo.Bio: 郭宗宽，...
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2022-1024
报告题目: 清华-富士康纳米科技前沿论坛（第十八讲）：基于精准界面调控的碳基纳米材料制备与应用报告人: 朱彦武 教授，中国科学技术大学报告时间: 2022-10-25 10:00，腾讯会议 会议号：364 826 030简介: 碳基纳米材料研究引起了巨大关注，也推动了其他纳米材料和纳米技术的发展。为实现碳基纳米材料的规模化制备与应用，实现其界面精准调控和精确表征是关键问题，而纳米材料的低维特性使得界面研究面临巨大挑战。本报告面向宏...
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2022-1020
Title: Testing Probing the Delay Time of Supermassive Black Hole Binary Mergers With Gravitational WavesSpeaker: Yun Fang (方芸)Time: 9:30am, Oct 20 (Thursday) 2022，腾讯会议ID 814-2523-8667Abstract: The hierarchical merger model of galaxy formation and evolution predicts that galaxies are assembled through hierarchical mergers along mergers of dark matter halos. A natural consequence of galaxy...
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2022-1020
报告题目：Symmetry breaking of oxide surfaces and interfaces报告人：Nini Pryds，Professor，Technical University of Denmark, Department of Energy Conversion and Storage时间：2022年10月25日下午15:00，Zoom会议 972 8539 1284，密码730841报告摘要：The wide range of fascinating properties observed in complex oxide continue to attract great interest such as ferro-, piezo- and pyroelectricity. Such rich...
