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.

arXiv comment11 pages, 3 figures

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Cited by in corpus (15)

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• Mirror Protected Multiple Nodal Line Semimetals and Material Realization
• Photon polarization tensor in a magnetized plasma: Absorptive part
• Tunable surface plasmons in Weyl semimetals TaAs and NbAs
• Dynamical conductivity of the Fermi arc and the Volkov-Pankratov states on the surface of Weyl semimetals
• Hydrodynamic modes in a magnetized chiral plasma with vorticity
• Hydrodynamics of Fermi arcs: Bulk flow and surface collective modes
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• Quantum oscillations in Dirac magnetoplasmons
• 3D Topological Plasmons in Weyl Semimetals
• In-medium polarization tensor in strong magnetic fields (II): Axial Ward identity at finite temperature and density
• Localized degenerate solutions to the massless Dirac and Weyl equations