Fig. 1: Long-lasting intensity buildup in the unoccupied states of p-doped Bi2Te3.
From: Control of intervalley scattering in Bi2Te3 via temperature-dependent band renormalization
Spectra acquired (6 eV probe/300 meV pump) at a temperature of 30 K, along the Γ-M direction, for different pump-probe delays: a τ < 0 ps, b 0.5 ps, c 1 ps, d 5 ps and e 20 ps. The intensity above the Fermi level in (b) has been multiplied by a factor of 6 to enhance visibility. See Supplementary Information for details of the experimental geometry.
