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  • Title: Magnetopolaritons in Weyl Semimetals in a Strong Magnetic Field.
    Author: Long Z, Wang Y, Erukhimova M, Tokman M, Belyanin A.
    Journal: Phys Rev Lett; 2018 Jan 19; 120(3):037403. PubMed ID: 29400510.
    Abstract:
    Exotic topological and transport properties of Weyl semimetals have 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 the plasmonic response of chiral Weyl fermions and extreme anisotropy induced by a magnetic field. The resulting magnetopolaritons 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 or infrared applications.
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