学术活动
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2024-1104
报告题目:光场调控与强场物理报 告 人:刘运全,北京大学博雅特聘教授报告时间:2024年11月7日16:00 报告地点:理学院郑裕彤大讲堂内容摘要:超快激光是研究物质电子动力学研究的重要工具。报告将介绍课题组在超快光场调控和强场物理方面的一些进展,包括对超快激光光场的振幅、位相、偏振、轨道角动量、自旋角动量等调控,以及基于光场调控对强场物理重要过程如阈上电离、隧道电离以及高次谐波等的超快调控研究,并介绍新型...
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2024-1104
报告题目:Evidence for electron fractionalization in a kagome metal报 告 人:Gabriel Aeppli,Head of the Center for Photon Science, Paul Scherrer Institute, Switzerland报告时间:2024年11月8日15:00 报告地点:物理楼(附中南侧)W101内容摘要:There are long-standing ideas and experiments concerning the emergence of unconventional quasiparticles in strongly interacting Fermi systems. The most drama...
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2024-1029
报告题目:Chiral phononics报 告 人:Dominik M. Juraschek,Eindhoven University of Technology报告时间:2024年10月30日10:00报告地点:理科楼C302内容摘要:Chiral phononics is an emerging field, in which the angular momentum of circularly polarized lattice vibrations is utilized to control the properties of materials. When chiral phonons are driven coherently with an ultrashort laser pulse, the lig...
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2024-1029
报告题目:Heavy quark symmetries and exotic hadrons报 告 人:郭奉坤,中国科学院理论物理研究所研究员报告时间:2024年10月31日16:00 报告地点:理学院郑裕彤大讲堂内容摘要:Several important discoveries in hadron physics were made in 2003. New particles, including the X(3872) and two positive-parity charm-strange mesons, were observed for the first time. These discoveries sparked a renaissance of h...
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2024-1023
报告题目:From Chiral Electronics to Mottness in Momentum-Space报 告 人:Dr. Niels B.M. Schröter,Max Planck Institute of Microstructure Physics报告时间:2024-10-29 10:00报告地点:理科楼C302内容摘要:The term chirality is derived from the Greek word for ‘hand’ χειρ (kheir)and describes objects that are distinct from their mirror image. It is long known that chirality plays a crucial rol...
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2024-1022
报告题目:Dipolar Abelian anyons报 告 人:Professor Jung Hoon Han,Sungkyunkwan University, South Korea报告时间:2024年10月29日16:00 报告地点:理科楼C302内容摘要:Properties of Abelian anyons are well-known and can be encoded as Abelian Chern-Simons or BF field theories. Lattice realization of the latter is the famous toric code. Recently, our group has explored a variant of the toric code ca...
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2024-1021
报告题目:Topological Polaritonics: Achievements, Challenges, and Future Directions报 告 人:Sven Höfling,Würzburg University报告时间:2024年10月24日16:00 报告地点:理学院郑裕彤大讲堂内容摘要:Topological polaritonics has evolved rapidly, inspired by phenomena observed in electronic condensed matter physics. Exciton-polariton topological insulator systems have been experimentally demonstrate...
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2024-1021
报告题目:Exploiting many-body localization for scalable variational quantum simulation报 告 人:ROBERT JAMES JOYNT(UNIVERSITY OF WISCONSIN-MADISON)报告时间:2024年10月24日10:00 报告地点:理科楼C302内容摘要:Variational quantum algorithms has emerged as promising approaches to achieving practical quantum advantages using near-term quantum devices. The scalability of these algorithms poses a...
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2024-1020
报告题目:物理学与深度学习——2024年诺贝尔物理学奖介绍报 告 人:徐勇,清华大学物理系报告时间:2024年10月21日19:00 报告地点:物理楼(附中南侧)W101腾讯会议号:956-184-295内容摘要:2024年,诺贝尔物理学奖与化学奖同时授予了深度学习相关的研究工作,充分肯定了以人工神经网络为代表的深度学习方法在多学科交叉前沿中的变革性影响。物理学家约翰·霍普菲尔德(John Hopfield)与“AI教父”杰弗里·辛顿(Geoffrey Hi...
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2024-1018
报告题目:体相电子自旋弛豫、退相位和耗散过程的第一性原理模拟报 告 人:徐俊卿,合肥工业大学物理系教授报告时间:2024年10月23日10:30 报告地点:理科楼C302 内容摘要:固体中的体相电子自旋非平衡过程,如自旋弛豫和退相位、自旋耗散、自旋光电响应等,是影响相应自旋电子器件性能的关键因素。这些过程的准确理论模拟,对于理解相关的物理机制、发现新型自旋电子学材料和优化器件工作条件等都至关重要。基于量子主方程方...