本学期学术活动
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2024-1111
报告题目:量子相变与非常规超导报 告 人:袁辉球,浙江大学报告时间:2024年11月14日16:00 报告地点:理学院郑裕彤大讲堂内容摘要:在关联电子材料体系中,磁场、压力、掺杂等非温度参量可以用来调控电荷、自旋、轨道、晶格等自由度间的耦合,诱导诸如非常规超导、奇异金属以及关联拓扑态等奇异电子性质,并可实现对不同量子态的调控,导致丰富的量子临界行为。本报告将简要介绍该课题组在量子相变与非常规超导等方面的进展...
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2024-1106
报告题目:Searching for Dark Matter with Precision Low-Energy Experiments报 告 人:Yevgeny V. Stadnik (The University of Sydney)报告时间:2024年11月7日13:30报告地点:物理楼(新)W105内容摘要:Ultra-low-mass bosonic particles produced non-thermally in the early Universe may form a coherently oscillating classical field that can comprise the observed cold dark matter. The very high number dens...
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2024-1104
报告题目:Demonstrating beam splitters for reaction pathways in the field of cold chemistry报 告 人:Johannes Hecker Denschlag, Institut für Quantenmaterie, Universität Ulm报告时间:2024年11月6日10:00报告地点:理科楼C302内容摘要:Our group studies chemical reactions of ultracold Rb atoms in a state-to-state resolved fashion, where we prepare reactants in well defined quantum states and measure ...
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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...