Electron-phonon couplings in the presence of strong interactions

电子与声子之间耦合的精确计算对于物理和化学中各种效应的定性描述至关重要。其中最突出的是声子驱动的超导性。我们最近发现，在某些条件下，强电子相关性可以导致电子声子耦合的重整化。本博士项目的目的是推导和实现平面波代码CASTEP中的这些修正，并随后将其应用于超导材料以评估其量级。

The accurate calculation of the coupling between electrons and phonons is crucial for the qualitative description of various effects in physics and chemistry. Prominent among these is phonon driven superconductivity. We have recently discovered that under certain conditions, strong electronic correlations can lead to a renormalisation of the electron phonon couplings. The purpose of this PhD project is to derive and implement these corrections in the plane wave code CASTEP and subsequently apply them to superconducting materials to assess their magnitude.