Physicists have long been drawn to the nonlinear Hall effect: a subtle variant of the classical Hall effect, in which an electric voltage appears perpendicular to a current flowing through a material. Unlike its classical counterpart, the nonlinear version can arise even without breaking time-re...

Source: [Phys.org](https://phys.org/news/2026-06-quantum-hall-effect-gains-graphene.html)

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