本学期学术活动-清华大学物理系

2024-0909

物理系colloquium：Recent Progress on Scattering Amplitudes and Beyond

报告题目：Recent Progress on Scattering Amplitudes and Beyond报告人：何颂, 中科院理论物理研究所研究员报告地点：理学院郑裕彤大讲堂报告时间：2024年9月12日 16:00报告摘要：I will give an overview of the recent progress in computing and especially understanding scattering amplitudes and related quantities (such as correlation functions) in Quantum Field Theory, gravity and string theory, including...

2024-0909

Cosmological Correlators with Strongly-coupled Exchange

报告题目: Cosmological Correlators with Strongly-coupled Exchange 报告人: Chen Yang 杨宸 (Scuola Normale Superiore) 报告时间: 2024年9月12日13:30 报告地点: 物理楼W105 报告摘要: I will discuss primordial universe scenarios where the inflaton is weakly coupled to a strongly-self-interacting theory, and study the imprints in cosmological correlators. There are three general scenarios for the stro...

2024-0909

Triton beta-decay from Nuclear Lattice Effective Field Theory

报告题目：Triton beta-decay from Nuclear Lattice Effective Field Theory报告人：Prof. Dr. Ulf-G. Meißner (Bonn University/Forschungszentrum Jülich)报告时间：2024年9月10日15:00报告地点：理科楼W361报告摘要: Neutrinoless double-beta decay is one of the most interesting nuclear reactions. In this talk, I introduce Nuclear Lattice Effective Field Theory as a new tool in nuclear theory. It allows to...

2024-0826

Topological quantum fluids from exotic “2D universe” and their low-lying particle-like excitations

报告题目：Topological quantum fluids from exotic “2D universe” and their low-lying particle-like excitations报告人: 杨波助理教授, Nanyang Technological University报告时间: 2024年08月30日15:00报告地点: 理科楼C302 报告摘要：The fractional quantum Hall (FQH) effect realized in Landau levels is a family of strongly correlated topological quantum fluids in two-dimension, with exotic low lying c...

2024-0815

原子分子物理前沿探索系列学术报告

报告时间：2024年8月20日上午9:30-12:00报告地点：理科楼C302报告1报告题目：Observation of Fractional Elementary Charges in a Periodic Many-body Quantum System报告人：Klaus Müller-DethlefsEmeritus Chair Professor of Physics and Chemistry Founding Director of the Photon Science Institute. The University of Manchester, UK. 报告时间：9:30-10:30报告2报告题目：Search for New Physics with Electron Dip...

2024-0813

Topological Hall Effects in Chiral Magnets

报告题目：Topological Hall Effects in Chiral Magnets报告人：Jiadong Zang（the University of New Hampshire）报告时间：2024年8月16日10：00 报告地点：理科楼C302报告摘要：Chiral magnets are a series of magnets with broken inversion symmetry. A new type of spin interaction therein, the Dzyaloshinskii-Moriya interaction, stimulates the formation of many novel topological spin textures. One importa...

2024-0810

How nonlinearity distorts the evidence for photoinduced superconductivity

报告题目：How nonlinearity distorts the evidence for photoinduced superconductivity报告人：Steve Dodge（Simon Fraser University, Canada）报告时间：2024年08月12日16:00报告地点：理科楼C302报告摘要：Over a decade of research has suggested that some metallic compounds can be transformed into superconductors by illuminating them with intense beams of laser light. Recently, we have shown that the e...

2024-0807

半导体技术现状和未来发展趋势

报告题目：半导体技术现状和未来发展趋势报告人：Jeff Xu (华为海思研究部部长）报告时间：2024年8月9日14:00报告地点：理学院郑裕彤大讲堂报告摘要：在晶体管发明76周年的今天，以硅基为代表的传统半导体技术的发展遇到了瓶颈，不能满足高速发展的电子产业对半导体技术持续演进的要求。现在半导体技术的痛点主要体现在硅基CMOS电路功耗居高不下、内存带宽不足以及面积微缩日渐趋缓。这是世界半导体业的挑战，也是中国半导体...

2024-0724

制备多体张量网络态

报告题目：制备多体张量网络态报告人：魏志远，德国马普量子光学所报告时间：2024年7月30日上午10点报告地点：理科楼C302报告摘要：高效制备量子纠缠在量子信息技术中有着重要应用，也是某些量子优势的来源。本次报告中，我们研究如何制备一类重要的多体纠缠态--张量网络态,包括矩阵直积态(MPS)和投影纠缠对态(PEPS)。我们引入高维系统中的一类张量网络态--‘方格’投影纠缠对态 (plaquette-PEPS)[1]。这类态可被高效生成[电...

2024-0716

物理系colloquium: The Standard Model and Beyond: The lessons, puzzles and the way forward

报告题目：The Standard Model and Beyond: The lessons, puzzles and the way forward报告人：韩涛, University of Pittsburgh报告时间：2024年7月18日 16:00报告地点：理科楼C302报告摘要：The Standard Model (SM) of the particle physics is a highly successful theory. In the making and the appreciation of the SM, we review the lessons that we learned, the problems we must find solutions, and the puzzles ...