Disorder induces a crossover from phase-averaging to mode-mixing regimes in domain wall transport of a second-order topological insulator, marked by a 0.5 e²/h plateau and two-step conductance fluctuations at 0.35 and 0.29 e²/h with corresponding Fano factors of 1/4 and 1/3.
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Magnetoconductance across Weyl semimetal grain boundaries remains field-linear and robust to disorder, with high-field slope set by chirality-preserving Fermi arcs and low-field slope set by the fraction N_L N_R/(N_L + N_R).
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Disorder-induced crossover from phase-averaging to mode-mixing regimes in magnetic domain walls of a second-order topological insulator
Disorder induces a crossover from phase-averaging to mode-mixing regimes in domain wall transport of a second-order topological insulator, marked by a 0.5 e²/h plateau and two-step conductance fluctuations at 0.35 and 0.29 e²/h with corresponding Fano factors of 1/4 and 1/3.
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Magnetotransport across Weyl semimetal grain boundaries
Magnetoconductance across Weyl semimetal grain boundaries remains field-linear and robust to disorder, with high-field slope set by chirality-preserving Fermi arcs and low-field slope set by the fraction N_L N_R/(N_L + N_R).