Extended Data Fig. 4: Energy-dependence of the domain-wall behaviour at \(\widetilde{{\boldsymbol{\nu }}}{\bf{=\; 1}}\).
From: Interacting multi-channel topological boundary modes in a quantum Hall valley system
a–d, Differential conductance maps measured in the same location and under identical conditions to those in Fig. 2e. Each panel shows dI/dV at a different energy, ranging from the singly degenerate LL at E = −120 μeV (a) to the triply degenerate LL peak at E = 330 μeV (d).
