学术活动
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2023-0329
报告题目:基于波函数含时演化的大尺度计算物理方法报告人: 袁声军 教授, 武汉大学报告时间: 2023年04月04日10:00报告地点: 理科楼C302报告摘要:常见的计算凝聚态物理方法通常基于定态薛定谔方程,需要对哈密顿量进行对角化运算,难以应用于大尺度的复杂体系。本报告主要讨论如何将求解的问题从定态薛定谔方程转化为含时薛定谔方程,从而绕开对角化实现复杂体系的大尺度模拟与计算。主要介绍:(1)基于紧束缚近似的线性TBPM方法...
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2023-0328
Title: Probing Cosmological Particle Production and Pairwise Hotspots with Deep Neural NetworksSpeaker: Yuhsin Tsai (蔡宇信), Notre Dame U.Time: 10:00am, Mar 30 (Thursday) 2023腾讯会议: 498-480-151Abstract: Cosmic inflation provides an environment similar to particle colliders that can produce new particles and record the resulting signal. In this talk, I will describe a scenario in which new p...
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2023-0327
报告题目:物理系colloquium: LuH2的压致变色及N掺杂研究报告人:程金光中国科学院物理研究所报告时间:2023-03-30 16:00报告地点:理科楼郑裕彤讲堂主办单位:物理系简介:最近Dias等宣称在N掺杂的镥氢化物(Lu-H-N)中实现了室温超导电性(Tc = 294 K @ 1 GPa),并观察到压力诱导的蓝色-粉色-红色颜色变化[1],引起了广泛关注。能否重现室温超导和相关实验结果立即成为大家关注的焦点。针对这一问题,我们对常压下可稳定存在LuH2开展...
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2023-0320
报告题目:物理系colloquium: 双层扭转光晶格中的原子玻色爱因斯坦凝聚报告人:张靖山西大学量子光学与光量子器件国家重点实验室,光电研究所报告时间:2023-03-23 16:00报告地点:理科楼郑裕彤讲堂主办单位:物理系简介:在凝聚态物理领域,扭曲的双层石墨烯材料中已观察到强关联和超导性,诞生了一个全新的研究领域:扭转电子学,激发了对其基础和应用物理方面的极大兴趣。在该系统中,两个单层蜂窝状石墨烯材料以小角度扭曲叠加,...
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2023-0320
报告题目: 低能弱束缚原子核引起的核反应和核结构研究报告人: 张高龙 教授(北京航空航天大学)时间: 2023年3月21日 (周二) 14:30地点: 理科楼 C109摘要:近库仑位垒能区弱束缚原子核的反应机制研究是当前核物理研究的课题之一。本报告首先介绍质子滴线核17F在208Pb靶上的弹性散射和破裂反应实验研究,基于实验测量的弹性散射角分布,理论上运用光学模型、CDCC和耦合道模型,探究了破裂道和转移道效应,给出了质子滴线核17F在近...
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2023-0316
【Date and Time】17-March-2023(Friday)10am (Beijing time)【Zoom Meeting】ID:662 921 9901 Passcode: Forum2023【Language】English【Title】Scalable surface code decoders with parallelization in time【Speaker】Rui Chao is a research scientist in Alibaba Quantum Lab. His interest is in quantum fault tolerance and error correction. Before joining Alibaba, he was a postdoc at Duke University under ...
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2023-0316
报告题目:Nonlinear electric transports报告人:何攀,复旦大学时间地点:2023-03-21 周二上午10点,理科楼C302报告厅Abstract: So far, exotic transports arising from time reversal or spatial inversion symmetry breaking have been studied mainly in linear regimes. Nonlinear electric transports, which contain different information than their linear counterparts, have recently attracted increasing inter...
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2023-0316
【Date and Time】16-March-2023(Thursday)9am (Beijing time)【Zoom Meeting】ID:662 921 9901 Passcode: Forum2023【Language】English【Title】Enabling Deeper Quantum Compiler Optimizations at High Level【Speaker】Dr. Gushu Li is an Assistant Professor at the Department of Computer and Information Science, University of Pennsylvania. He obtained his Ph.D. from the University of California, Santa B...
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2023-0314
报告题目:构筑拓扑量子物态报 告 人: 何珂教授,清华大学物理系报告时间:3月16日(周四) 14:30-15:30报告地点:理科楼郑裕彤讲堂摘要:很多奇异的拓扑量子物态和效应可以通过简单的理论模型获得,这使我们有可能通过调控、组合已有材料体系以可控的方式在实验上实现它们。本报告将介绍过去几年我们在利用分子束外延技术探索更高温度的量子反常霍尔效应体系和马约拉纳纳米线体系方面的工作。报告人简介:2000年于山东大学物...
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2023-0313
Title: OEDO beam line at RIBF and Its Physics ProgramSpeaker: Prof. Dr. Nobuaki IMAI (University of Tokyo)Time: 15:00 Mar. 14 2023(Beijing)Place: New Science Building C302Abstract: Origin of the element in the universe is one of the big questions in modern physics. The study on the origin is boosted by a recent finding of kilonova following the discovery of the gravitational wave. To understan...