An overview of both experimental and theoretical results in the field of resonant scattering of tunable soft and hard x-ray radiation is presented, with a main focus on the closely related processes of resonant inelastic x-ray scattering (RIXS) and resonant Auger scattering (RAS). The review starts with an overview of fundamental dynamical aspects of RIXS illustrated for different systems. A detailed analysis of case studies with increasing complexity, considering both gas-phase and condensed matter (liquids and solids) applications, is given. In the review, the most important achievements in investigations of coupled electron-nuclear dynamics and structural aspects in studies of liquids and solids over the last two decades are outlined. To give a perspective on the insights from RIXS and RAS, the x-ray results are discussed against the background of complementary experimental techniques like vibrational infrared absorption and Raman spectroscopy, as well as small-angle x-ray and neutron scattering. Finally, recent achievements in time-resolved studies based on x-ray free-electron lasers are described.

中文翻译：

---

共振 X 射线和俄歇散射的动力学

概述了可调谐软硬 X 射线辐射共振散射领域的实验和理论结果，主要关注共振非弹性 X 射线散射 (RIXS) 和共振俄歇散射的密切相关过程。 RAS）。该评论首先概述了针对不同系统说明的 RIXS 的基本动态方面。考虑到气相和凝聚态物质（液体和固体）应用，给出了对日益复杂的案例研究的详细分析。在这篇综述中，概述了过去二十年在液体和固体研究中耦合电子-核动力学和结构方面的研究中最重要的成就。对 RIXS 和 RAS 的见解提出看法，X 射线结果在补充实验技术的背景下进行讨论，如振动红外吸收和拉曼光谱，以及小角度 X 射线和中子散射。最后，描述了基于 X 射线自由电子激光器的时间分辨研究的最新成果。