王楠林 王楠林,北京大学物理学院量子材料科学中心讲席教授,北京量子信息科学研究院副院长。1982年本科毕业于郑州大学,1989年华中理工大学获硕士学位,1992年中国科技大学获博士学位。2000年获国家杰出青年科学基金。主要从事超导和强关联电子体系的低温物性、平衡态与非平衡态固体光谱、量子物态超快调控等方面研究。发表论文330余篇,被引约17000次,入选2014年汤森路透(Thomson Reuters)“中国引文桂冠奖、最具国际引文影响力奖及科研团队奖”,2014-2018连续5年入选汤森路透/科睿唯安 “高被引科学家”。曾获中国物理学会叶企孙物理奖(2009),香港求是科技基金会求是杰出科技成就集体奖(2009),国家自然科学一等奖(2013)。2012年当选美国物理学会会士。2008-2014年担任国际纯粹与应用物理联合会(IUPAP)低温物理专业委员会(C5)委员。 报告摘要 Ultra-short laser pulses have become powerful tools for studying and manipulating the physical properties of quantum materials. These pulses can also be used to generate intense terahertz (THz) pulses, which are crucial for developing ultrafast time-resolved THz spectroscopic techniques. This allows researchers to explore the spectral characteristics of quantum materials at very low energy scales. In the field of superconductivity, two new frontiers have emerged in the past decade as a result of these advancements: the possible light-induced high temperature superconductivity and the detection of collective Higgs modes in superconductors. In this seminar, I will discuss the latest developments in detecting collective Higgs excitations in different superconducting materials using non-equilibrium and nonlinear terahertz spectroscopy. I will showcase how this new progress offers valuable insights into debated issues in high temperature superconductors.