学术活动
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2024-0326
报告题目：What is powering the Earth's Engine?报 告 人：Bill McDonough (Earth Sciences & Res Center Neutrino Sci, Tohoku University, Geology, University of Maryland)报告时间：2024-03-28 14:30报告地点：理科楼C302报告摘要：The fuel driving plate tectonics, volcanoes, mantle convection, and the Earth’s magnetic field comes from two sources: primordial energy from assembling the planet and nuclear...
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2024-0325
报告题目：Quantum technologies for trapped molecular ions报 告 人：Prof.Stefan Willitsch (Department of Chemistry, University of Basel, Switzerland )报告时间：2024-03-27 10:00报告地点：理科楼C302报告摘要：Molecules are quantum systems of prime significance in a variety of contexts ranging from physics over chemistry to biology. In spite of their importance, the development of quantum technologi...
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2024-0325
报告题目：Harnessing chiral currents in ultracold atoms with Floquet engineering and contact interaction报 告 人：潘建松, 四川大学物理学院报告时间：2024-03-26 14:00报告地点：理科楼C109报告摘要：The manipulation of particle transport in synthetic quantum matter is an active research frontier. In this presentation, I will introduce our recent efforts in harnessing chiral currents in ultracold ato...
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2024-0322
报告题目：colloquium: Multi-fermion-clustering Physics报 告 人：Congjun Wu, Department of Physics, School of Science, Westlake University报告时间：2024-03-28 16:00报告地点：理科楼郑裕彤讲堂报告摘要：Typical mean-field theories for many-body states rely on two-fermion orderings. Order parameters lie in either the particle-particle channel such as pairing orders for superconductivity, or, in the ...
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2024-0321
报告题目：How to perfect a matterwave "gate", and why报 告 人：Saijun Wu Fudan University报告时间：2024-03-25 10:00报告地点：理科楼C109报告摘要：In real-world applications, quantum systems are controlled by inherently imperfect classical resources. Nevertheless, for discrete "qubits" or "spins," nearly perfect controls can be achieved by harnessing the geometric phases of the few-level evolutio...
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2024-0320
报告题目：新型层间量子拖拽效应报 告 人：曾长淦 教授，中国科学技术大学物理系报告时间：2024-03-21 14:30报告地点：理科楼C109报告摘要：两个空间相近但彼此绝缘的导电层构成了电双层结构。在其中一层施加驱动电流会在另一层诱导产生开路电压，即产生层间拖拽效应。相较于传统单一导体层内输运，层间拖拽这一独特的耦合输运行为可以同时反映层内电子态特性以及层间长程相互作用，为发现新奇量子物态提供了更多可能性，拓展了...
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2024-0318
报告题目：Pressure induced superconductor-insulator-transition报 告 人：Aviad Frydman，Bar Ilan University, Israel报告时间：2024-03-22 10:00报告地点：理科楼C302报告摘要：The Superconductor Insulator Transition (SIT) in 2D layers and thin films has been a topic of great interest for the past few decades. While much progress has been made in the field, both theoretically and experimentally, there...
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2024-0318
报告题目：从量子力学到材料发现：第一性原理遇见人工智能报 告 人：徐勇 教授，清华大学物理系报告时间：2024-03-21 14:30-15：30报告地点：理科楼郑裕彤讲堂报告摘要：从量子力学到材料发现、从经验试错到人工智能是当今计算物理与计算材料科学的主要发展趋势，由此诞生了材料基因工程，即构建材料大数据，加速材料发现。高通量第一性原理计算是建立材料数据库的主要手段，但受限于高昂的计算代价，现今最大的材料数据库仅包...
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2024-0315
报告题目：物理系colloquium: 超快激光精密制造报 告 人：孙洪波，清华大学精密测试技术及仪器全国重点实验室主任报告时间：2024-03-21 16:00报告地点：理科楼郑裕彤讲堂报告摘要：现有纳米制造技术需要纳米特征尺寸的工具（切削刃厚度、锥尖尺寸、粒子束直径等）或模板作用于被加工对象方可实现。与实物工具相比，光子直接作为加工手段，具有可变形、无损耗等独特优势，但由光学衍射极限尺寸（可见光中心波长550纳米）定义的加...
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2024-0313
报告题目：Structural disorder induced topological phase transition in Rydberg atoms报 告 人：徐勇, Institute for Interdisciplinary Information Sciences, Tsinghua University报告时间：2024-03-14 14:00报告地点：理科楼C302报告摘要：In this talk, I will first briefly show our finding that structural disorder can drive a phase transition from a topologically trivial phase to a second-order topologica...
