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cond-mat.mes-hall2026
Topological fragility and bilinear magnetoelectric resistance in gapless edge states
Cosimo Gorini, Matthieu Bard, Sophie Gueron +2
In time-reversal symmetric systems such as topological and higher-order topological insulators, 1D spin-momentum locked edge and hinge states are theoretically ``perfectly conducti…
cond-mat.mes-hall2026
Low-Field Metal-Insulator Transition in AB-Stacked Bilayer Graphene
Amarnath Chakraborty, Aleksandr Rodin, Shaffique Adam +1
We investigate the interplay of in-plane magnetic and transverse electric fields in AB-stacked bilayer graphene. In prior work neglecting trigonal warping, we demonstrated that thi…
cond-mat.mes-hall2025
Nonequilibrium Exchange Nonlinear Hall Effect
John Tan, Oles Matsyshyn, Giovanni Vignale +1
Quantum geometric electronic responses are often viewed through a non-interacting lens: independent quasiparticles accumulate Berry phases as they move through a static crystal and…