35 citations · 166 across the 17 of their papers we have counts for
5 papers · 1 filter
Extraction of the self energy and Eliashberg function from angle resolved photoemission spectroscopy using the xARPES code
Thomas P. van Waas, Christophe Berthod, Jan Berges +3
Angle-resolved photoemission spectroscopy is a powerful experimental technique for studying anisotropic many-body interactions through the electron spectral function. Existing atte…
Persistence of charge ordering instability to Coulomb engineering in the excitonic insulator candidate TiSe
Sebastian Buchberger, Yann in 't Veld, Akhil Rajan +11
TiSe has long been considered one of the best candidate materials to host the elusive excitonic insulator (EI) phase. However, a finite coupling to the lattice can generically…
Phonon Self-Energy Corrections: To Screen, or Not to Screen
Jan Berges, Nina Girotto, Tim Wehling +2
First-principles calculations of phonons are often based on the adiabatic approximation and on Brillouin-zone samplings that might not always be sufficient to capture the subtletie…
Engineering Interlayer Hybridization in Energy Space via Dipolar Overlayers
Bin Shao, Xiao Jiang, Jan Berges +2
The interlayer hybridization (IH) of van der Waals (vdW) materials is thought to be mostly associated with the unignorable interlayer overlaps of wavefunctions () in real space.…
A full gap above the Fermi level: the charge density wave of monolayer VS2
Camiel van Efferen, Jan Berges, Joshua Hall +15
In the standard model of charge density wave (CDW) transitions, the displacement along a single phonon mode lowers the total electronic energy by creating a gap at the Fermi level,…