Orbital Hall Effect

Published

November 7, 2025

Phenomenon in which an electric field induces a flow of \(p\) and \(d\) OAM in a transverse direction.

OHE is caused by an electric field inducing a net flow of non-equilibrium OAM in conductors whose electronic bands have varying orbital characteristics pengUnconventionalScalingOrbital2025.

The intrinsic mechanism lies in the band structure bernevigOrbitronicsIntrinsicOrbital2005, but it is still not very well understood.

Orbital Hall conductivity

Can be calculated from the Kubo formula goFirstprinciplesCalculationOrbital2024, given by

Compare this to the Hall conductance for the Anomalous Hall Effect.

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