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学术活动
  • 2023-0606
      报告题目:Hydrodynamic Spintronics and Current Vortex报告人:Sadamichi Maekawa, RIKEN Center for Emergent Matter Science (CEMS) and Kavli ITS at University of Chinese Academy of Sciences报告时间:2023年06月07日10:00报告地点:理科楼三楼报告厅(C302)报告摘要:In metals with disorder, the electron transport is described as diffusive. On the other hand, in those with electron-electron interaction ...
  • 2023-0606
      Title: ADAPTIVE QUANTUM OPTIMIZATION ALGORITHMS FOR ISING-LIKE MODELSSpeaker: Robert Joynt, University of Wisconsin-MadisonTime: 10:00 am, Jun 9th (Friday) 2023Location: 理科楼C302Abstract: Quantum optimization is one of the most promising applications of quantum computing. They are ultimately based on the variational and adiabatic principles of quantum evolutions. The applications of these pri...
  • 2023-0606
      Title: Fractional Anomalous Hall effect: Theory of Ideal Flatband and Experimental ImplicationsSpearker: Jie Wang (王捷), Harvard UniversityTime: 2 pm, Jun 08 (Thursday), 2023Location: 理科楼C302Abstract: Fractional anomalous Hall effect (FAH) in the zero-field analogy of fractional quantum Hall effect. How to stabilize FAH in real material is important to both theory and experiment. Convention...
  • 2023-0604
      报告题目:微纳结构光传输与应用主讲人:董建文 中山大学物理学院 光电材料与技术国家重点实验室时间: 2023年6月5号星期一 10:30地点: 理科楼C302报告摘要:人工微纳结构通过设计亚波长人工单元的几何构型和特定的排列方式,能够突破天然传统材料的性能局限,在片上传输和面外传播方面均能实现微纳光场的多维度精准调控,适用于高性能多功能集成的便捷式平面光子器件。为此,围绕微纳结构,我们在原理方法、材料结构、微纳制...
  • 2023-0602
      Title: Valleytronics and correlated phase probed byinterlayer excitons in 2D heterostructuresSpeaker: Weibo Gao,Nanyang Technological UniversityTime: 9:30am, Jun 05 (Monday) 2023Location: 理科楼C302Abstract: The development of information processing devices with minimum carbon emission is crucial in this information age. One of the approaches to tackle this challenge is by using valleys (loca...
  • 2023-0530
      Title: Perturbations of Rotating Black Holes in Modified GravitySpeaker: Dongjun Li, California Institute of TechnologyTime: 10:30am, Jun 01 (Thursday) 2023Location: 理科楼C109Abstract: Black hole (BH) perturbation theory is crucial in studying gravitational waves (GWs) emitted during the ringdown phase of binary BH mergers, or the quasinormal modes (QNMs). These QNMs carry essential informatio...
  • 2023-0529
      报告题目:理学院科学之美讲坛:探索生命系统中的设计原理报告人:汤超北京大学报告时间:2023-06-01 16:00报告地点:理科楼郑裕彤讲堂主办单位:理学院(主办),物理系(承办)简介:在长期的演化中,生命系统在各个层次都涌现出了许多赖以生存、竞争、适应环境的功能。“适者生存”的选择压力使这些功能不断被优化,使其“设计原理”收敛到最优或近似最优,让我们有规可循,并对其进行科学的归纳和分析。报告人以他多年来的一些工...
  • 2023-0526
      报告题目:质子电荷半径之谜的现状与未来报告人:熊伟志,山东大学时间地点:2023-06-01 14:30 理科楼C109摘要:质子电荷半径与质子内夸克的空间分布密切相关,而且是量子电动力学对氢原子能级计算所需的重要参数。在2010年,科学家们使用缪子氢原子光谱技术,测量到了当时最精确的半径结果,然而却比之前使用ep弹性散射与常规氢原子光谱技术测量的结果小了7σ,引发了“质子电荷半径之谜” 。近十年来,尽管人们在理论与实验...
  • 2023-0522
      Title: Matter, Dark Matter and Primordial Black Holes from First-order Phase TransitionsSpeaker: Ke-Pan Xie (谢柯盼), Beihang UniversityTime: 2:30pm, May 25 (Thursday) 2023Location: 理科楼A221Abstract: The longstanding puzzles of matter-antimatter asymmetry and dark matter point to the need for physics beyond the Standard Model. A first-order phase transition in the early Universe could provide...
  • 2023-0522
      报告题目:物理系colloquium: 高效微纳光子与室温量子态报告人:王雪华中山大学物理学院,光电材料与技术国家重点实验室报告时间:2023-05-25 16:00报告地点:理科楼郑裕彤讲堂主办单位:物理系简介:微纳光子的高效操控是实现高性能微纳光电子器件及其集成芯片的核心基础。报告首先介绍高效微纳光子的发展现状与挑战;接着阐述位置依赖的光辐射普适局域耦合量子理论,揭示辐射子(原子、激子等)在微纳结构中的空间位置能够根本性地...