Extended Data Fig. 8: Loss function calculation with Fermi energy at 0.05 eV (n = 2 × 1012 cm−2).
From: Observation of chiral and slow plasmons in twisted bilayer graphene

The dotted black line illustrates the quasi-flat dispersion of γ-mode.
From: Observation of chiral and slow plasmons in twisted bilayer graphene

The dotted black line illustrates the quasi-flat dispersion of γ-mode.