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Optical properties and electromagnetic modes of Weyl semimetals

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posted on 2023-11-30, 06:44 authored by Qianfan Chen, A. Ryan Kutayiah, Ivan Oladyshkin, Mikhail Tokman, Alexey Belyanin
We present systematic theoretical studies of both bulk and surface electromagnetic eigenmodes, or polaritons, in Weyl semimetals. We derive the tensors of bulk and surface conductivity taking into account all possible combinations of the optical transitions involving bulk and surface electron states. We show how information about electronic structure of Weyl semimetals, such as position and separation of Weyl nodes, Fermi energy, and Fermi arc surface states, can be unambiguously extracted from measurements of the dispersion, transmission, reflection, and polarization of electromagnetic waves.

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