Fig. 3: ARPES measurements of Bi2Se3.
From: Correlated plasmons in the topological insulator Bi2Se3 induced by long-range electron correlations
a, b Electronic band dispersion of Bi2Se3 thin film measured using a 60 eV photon energy along the Γ-M direction at 300 K and 100 K, respectively. c, d The energy dispersion curves of the spectra shown in the panel a and b insets, respectively. The energies are measured relative to the Fermi energy.
