The GW plus cumulant method and plasmonic polarons: application to the homogeneous electron gas
We study the spectral function of the homogeneous electron gas using many-body perturbation theory and the cumulant expansion. We compute the angle-resolved spectral function based on the GW approximation and the “GW plus cumulant” approach. In agreement with previous studies, the GW spectral functi...
| Main Authors: | , |
|---|---|
| Format: | Journal article |
| Published: |
EDP Sciences
2016
|