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Fig. 5 | eLight

Fig. 5

From: Light control with Weyl semimetals

Fig. 5

Nonreciprocal surface plasmon polaritons. a An interface between air and a magnetic semimetal. b Dispersion relation of the surface plasmon polaritons. The gray region shows the light cone of the vacuum. The blue region shows the continuum of the propagating modes in the bulk. \(k_F = E_F/\hbar v_F\) is the Fermi wavevector. c The temperature dependence of the chemical potential \(E_F(T)\). Figures b, c are reproduced with permission from Ref. [14]. Copyright 2020 American Chemical Society

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