The nonlinear Hall response in gapped topological insulator surfaces is shown to contain a weakly temperature-dependent side-jump term proportional to the ratio of momentum and skew-scattering times, explaining room-temperature signals.
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Room-Temperature Disorder-Driven Nonlinear Transport in Topological Materials
The nonlinear Hall response in gapped topological insulator surfaces is shown to contain a weakly temperature-dependent side-jump term proportional to the ratio of momentum and skew-scattering times, explaining room-temperature signals.