The Photon Hall Pinwheel, Radiation of Angular Momentum by a Diffusing Magneto-optical Medium
Optics
2020-09-30 v1
Abstract
We consider an optically thick spherical agglomerate of magneto-optical scatterers with a central isotropic, unpolarized light source, placed in a homogeneous magnetic field. The Photon Hall Effect induces a rotating Poynting vector, both inside and outside the medium. We show that electromagnetic (orbital) angular momentum leaks out and induces a torque proportional to the injection power of the source and the photon Hall angle. This effect represents a novel class of optical phenomena, generating angular momentum from diffusive magneto-transport.
Keywords
Cite
@article{arxiv.2005.11997,
title = {The Photon Hall Pinwheel, Radiation of Angular Momentum by a Diffusing Magneto-optical Medium},
author = {Bart A. van Tiggelen and Geert L. J. A. Rikken},
journal= {arXiv preprint arXiv:2005.11997},
year = {2020}
}
Comments
3 figures, submitted to Physical Review