Quantum Theory of Orbital Magnetization and its Generalization to Interacting Systems

Abstract

Based on standard perturbation theory, we present a full quantum derivation of the formula for the orbital magnetization in periodic systems. The derivation is generally valid for insulators with or without a Chern number, for metals at zero or finite temperatures, and at weak as well as strong magnetic fields. The formula is shown to be valid in the presence of electron-electron interaction, provided the one-electron energies and wave functions are calculated self-consistently within the framework of the exact current and spin density functional theory.

Accepted by Phys. Rev. Lett

References in corpus (2)

• Berry phase effect in anomalous thermoelectric transport
• Orbital magnetization in periodic insulators

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