合肥先进光源:赋能关联电子系统研究

Hefei Advanced Light Facility:Empowering research of correlated electron systems

合肥先进光源是一个第四代衍射极限储存环光源,计划于2028年投入运行,凭借其高亮度和高相干性X射线,将突破当前X射线技术研究关联电子系统所面临的时空分辨率瓶颈,为理解这些材料中新奇物性的本质和微观起源提供关键信息.本文介绍了合肥先进光源的主要科学目标和技术优势,重点阐述了角分辨光电子能谱、磁圆二色、相干X射线散射和相干X射线成像等核心技术在量子材料和关联电子系统研究中的应用前景.这些技术将能精细解析电子/自旋/轨道态的分布和动力学过程,揭示各种新奇量子现象,以及关联电子体系中各种序参量的涨落.合肥先进光源的建成将为解码复杂量子态和非平衡演化行为提供先进的技术支持,最终推动量子材料和关联电子系统在能源、信息等前沿领域的应用.

The Hefei Advanced Light Facility is the fourth-generation diffraction-limited storage ring light source,scheduled to begin operation in 2028.With its high-brightness and highly coherent X-rays,it will break through the current spatiotemporal resolution bottlenecks of X-ray techniques in studying correlated electron systems,providing crucial information for understanding the nature and microscopic origins of novel physical properties in these materials.This article introduces the main scientific goals and technical advantages of the Hefei Advanced Light Facility,focusing on the application perspectives of advanced technologies such as angleresolved photoemission spectroscopy,magnetic circular dichroism,coherent X-ray scattering,and coherent Xray imaging in researches of quantum materials and correlated electron systems.These techniques will enable the detailed analysis of the distribution and dynamics of electronic/spin/orbital states,reveal various novel quantum phenomena,and elucidate the fluctuations of order parameters in correlated electron systems.The completion of the Hefei Advanced Light Facility will provide advanced technical supports for decoding complex quantum states and non-equilibrium properties,ultimately promoting the application of quantum materials and correlated electron systems in frontier fields such as energy and information.