Magneto-polaritons in Weyl semimetals in a strong magnetic field

Abstract

Exotic topological and transport properties of Weyl semimetals generated a lot of excitement in the condensed matter community. Here we show that Weyl semimetals in a strong magnetic field are highly unusual optical materials. The propagation of electromagnetic waves is affected by an interplay between plasmonic response of chiral Weyl fermions and extreme anisotropy induced by a magnetic field. The resulting magneto-polaritons possess a number of peculiar properties, such as hyperbolic dispersion, photonic stop bands, coupling-induced transparency, and broadband polarization conversion. These effects can be used for optical spectroscopy of these materials including detection of the chiral anomaly, or for broadband terahertz/infrared applications.

11 pages, 3 figures

References in corpus (4)

• Topological response in Weyl semimetals and the chiral anomaly
• Chiral anomaly and optical absorption in Weyl semimetals
• Plasmon mode as a detection of the chiral anomaly in Weyl semimetals
• Chiral magnetic plasmons in anomalous relativistic matter

Cited by in corpus (2)

• Optical properties and electromagnetic modes of Weyl semimetals
• Hydrodynamics of Fermi arcs: Bulk flow and surface collective modes