Fig. 7: Spectral function, A(ω) (top) and the real part of the self-energy, ℜeΣ(ω) (bottom) for KN3 at the CBM.
From: High-throughput analysis of Fröhlich-type polaron models

The self-energy is split by phonon mode for the largest contributions to the ZPRc as in Supplementary Table III. Only phonon modes 15 and 24 are LO, the others are non-LO.