原型相关金属中的Mottness和Hundness特征
Signatures of Mottness and Hundness in archetypal correlated metals
摘要：
多轨道材料的物理性质不仅取决于价电子之间有效相互作用的强度，而且还取决于它们的类型。强烈的相关性是由莫特物理学引起的，莫特物理学捕获了电荷之间的库仑排斥，或者是洪德物理学将自旋排列在不同的轨道上。我们确定了四个能量尺度标记的发病和完成筛选轨道和自旋通道。在这些尺度的差异，这是体现在温度依赖性的本地频谱和电荷，自旋和轨道的磁化率，提供明确的签名区分莫特和洪德物理。我们说明了这些概念与现实的研究两个原型强相关的材料，并证实了我们的结论与模型哈密顿研究的一般性。
英文摘要：
Physical properties of multi-orbital materials depend not only on the strength of the effective interactions among the valence electrons but also on their type. Strong correlations are caused by either Mott physics that captures the Coulomb repulsion among charges, or Hund physics that aligns the spins in different orbitals. We identify four energy scales marking the onset and the completion of screening in orbital and spin channels. The differences in these scales, which are manifest in the temperature dependence of the local spectrum and of the charge, spin and orbital susceptibilities, provide clear signatures distinguishing Mott and Hund physics. We illustrate these concepts with realistic studies of two archetypal strongly correlated materials, and corroborate the generality of our conclusions with a model Hamiltonian study.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
