Phonon Hall thermal conductivity from Green-Kubo formula

Abstract

We derive a formula for the thermal conductivity tensor of a ballistic phonon Hall model. It is found that, although the diagonal elements of the conductivity tensor diverge to infinite, the off-diagonal elements are finite,antisymmetric, and odd in magnetic field. The off-diagonal elements are non-zero only if the dynamic matrix of the phonon system breaks mirror reflection symmetry. The results are obtained without perturbative assumptions about the spin-phonon interactions.

4 pages

References in corpus (3)

• Dissipationless Quantum Spin Current at Room Temperature
• Theory of Phonon Hall Effect in Paramagnetic Dielectrics
• Anomalous Hall effect for the phonon heat conductivity in paramagnetic dielectric

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