Fig. 4: g5-interaction leads to intra-band particle-particle corrections.
From: Altermagnetism from coincident Van Hove singularities: application to κ-Cl

(a) The correction to g1. (b) The correction to g2.
From: Altermagnetism from coincident Van Hove singularities: application to κ-Cl

(a) The correction to g1. (b) The correction to g2.