论文标题
关于表面上单突发性电子旋转共振的理论回顾
A theoretical review on the single-impurity electron spin resonance on surfaces
论文作者
论文摘要
电子旋转共振（ESR）的发展与扫描隧道光谱（STM）相结合，毫无疑问，由于加入了ESR（Nano-EV量表）与STM（sub-o’ngsstrss scaps）的单个原子空间分辨率的ESR（NANO-EV量表）非常高的能量分辨率，这是过去十年中表面科学的主要实验突破之一。虽然实验结果的\ fer {显着}随着成功实施该技术的群体的数量而生长，但其背后的物理机制仍不清楚，提出了几种不同的机制来解释它。在这里，我们首先修改实验设置和观察到的特征的主要特征。然后，我们审查了主要理论提案，并具有其优势和劣势。我们的结论之一是，许多提出的机制共享相同的基本原理，\ fer {STM连接处的时间依赖性电场正在调节自旋极化传输电子与局部旋转的耦合。}这解释了为什么这些机制是 在广阔的情况下，本质上是等效的。我们分析了其中一些之间的细微差异以及它们与不同的实验观察的比较。
The development of electron spin resonance (ESR) combined with scanning tunneling spectroscopy (STM) is undoubtedly one of the main experimental breakthroughs in surface science of the last decade thanks to joining the extraordinarily high energy resolution of ESR (nano-eV scale) with the single-atom spatial resolution of STM (sub-Ångström scale). While the experimental results have \fer{significantly} grown with the number of groups that have succeeded in implementing the technique, the physical mechanism behind it is still unclear, with several different mechanisms proposed to explain it. Here, we start by revising the main characteristics of the experimental setups and observed features. Then, we review the main theoretical proposals, with both their strengths and weaknesses. One of our conclusions is that many of the proposed mechanisms share the same basic principles, \fer{the time-dependent electric field at the STM junction is modulating the coupling of the spin-polarized transport electrons with the local spin.} This explains why these mechanims are essentially equivalent in a broad picture. We analyze the subtle differences between some of them and how they compare with the different experimental observations.
