Efficient many-body calculations of 2D materials using exact limits for the screened potential: Band gaps of MoS${}_2$, hBN, and phosphorene

Filip A. Rasmussen, Per S. Schmidt, Kirsten T. Winther +1

Calculating the quasiparticle (QP) band structure of two-dimensional (2D) materials within the GW self-energy approximation has proven to be a rather demanding computational task.…