本学期学术活动
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2023-1106
报告题目:理学院科学之美讲坛: The XENON project: at the forefront of Dark Matter Direct Detection 报告人:Elena AprileColumbia University报告时间:2023-11-07 16:00报告地点:理科楼A112主办单位:理学院（主办），物理系（承办） 简介:What is the Dark Matter, which makes 85% of the matter in the Universe? We have been asking this question for many decades and used a variety of experimental approaches ...
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2023-1030
Title: Quantum metrology with spatially distributed atomic ensemblesSpeaker: MATTEO FADEL ETH ZurichTime: 10:00 am, 2023-10-31 TuesdayLocation: Room C302, Science Building, Tsinghua UniversityAbstract: Quantum correlations, and in particular entanglement, are known to be a resource for quantum-enhanced parameter estimation. However, there are correlations stronger than entanglement, which revea...
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2023-1030
题目: 核子基本性质的未解之“谜”报告人: 彭潮（美国阿贡国家实验室）时间: 2023年10月30日 (周一) 15:00地点: 理科楼 B315摘要： 核子（质子、中子）是构筑我们可观测宇宙的基石。现代研究中，核子常被视为由夸克和胶子组成的动态复杂系统。量子色动力学(QCD) 所描述的强相互作用力主导了该系统中基本自由度之间的相互作用。核子研究的终极目标之一是描述核子如何从最基本的自由度——夸克胶子间的相互作用中“涌现”。这...
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2023-1027
报告题目:物理系colloquium: 自旋轨道相互作用与重离子碰撞过程整体极化效应 报告人:梁作堂山东大学报告时间:2023-11-02 16:00报告地点:理科楼郑裕彤讲堂主办单位:物理系 简介:自旋轨道耦合是相对论运动的系统中相互作用的基本属性， 强相互作用中的自旋轨道耦合使得夸克轨道角动量在高能自旋物理中起到了极其重要的作用。 本报告将简单叙述质子内夸克轨道角动量存在的必然性以及它在解释高能反应一系列意外自旋效应中的特...
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2023-1027
Title: Higher-point AdS amplitudes from flat space and factorization Speaker: Xinan Zhou 周稀楠 (University of Chinese Academy of Sciences)Time: 2:00 pm, Nov 2 (Thursday) 2023Location: 理科楼C302Abstract: Much of the modern developments of holographic correlators is based on bootstrap methods. These methods rely heavily on the use of superconformal symmetry and become increasingly cumbersome wh...
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2023-1026
报告题目：The Quantum Twisting Microscope报告人：Jiewen Xiao，Weizmann Institute时间: 10月30日上午10:00地点：理科楼三楼报告厅摘要：Measuring the energy-momentum dispersion relation in quantum materials can provide key insights into their strongly correlated electronic phenomena. We have recently demonstrated a new type of a scanning probe microscope – the Quantum Twisting Microscope (QTM)1 – ...
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2023-1023
报告题目：原子尺度的极化子操控研究报告人：付英双 教授，华中科技大学报告时间：2023年10月26日10:00报告地点：理科楼三楼报告厅（C302）报告摘要：极化子作为单个电子和晶格畸变关联作用而形成的准粒子，在电荷输运、巨磁电阻、高温超导以及热电和多铁效应等物理过程中具有重要作用。传统上对极化子的研究采用系综平均的宏观测量手段，在原子尺度研究单个独立极化子的行为对揭示电子-晶格耦合的关联物理机制具有重要作用，但...
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2023-1023
告题目:物理系colloquium: Recent progress in anomalous Hall effect in ferromagnetsand antiferromagnets 报告人:姚裕贵北京理工大学报告时间:2023-10-26 16:00报告地点:理科楼郑裕彤讲堂主办单位:物理系 简介:The anomalous Hall effect (AHE) is a fundamental phenomenon related to magnetism in solid-state physics, in which a transverse voltage drop is induced by a longitudinal electric field [1, 2]. Alt...
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2023-1023
Title: Everything Everywhere All at Once: Holographic Entropy Inequalities, the Topology of Error Correction, Black Holes, Cubohemioctahedron, and (maybe) the Toric Code Speaker: Bartek Czechn (Tsinghua University)Time: 2:00 pm, Oct 26 (Thursday) 2023Location: 理科楼C302Abstract: An important class of quantum states are those whose entanglement entropies can be computed by minimal cuts through...
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2023-1020
报告题目: Integer and fractional quantum anomalous Hall effects in 2D semiconductor moiré superlattices报告人: 李听昕，上海交通大学时间地点: 10月25日上午10:00，理科楼C302摘要：The emergence of topological moiré flat bands provides exciting opportunities to realize the lattice analogs of both the integer and fractional quantum Hall effects without the need for an external magnetic field. These e...
