Fig. 3: Features of the quantum anomalous semimetal.
From: Realization of Wilson fermions in topolectrical circuits
a Admittance spectrum of the ribbon geometry. b The current density distribution for two different “Fermi” levels slightly deviating from the admittance eigenvalue jn = 0 Ω−1 (dashed lines in (a). c The admittance spectrum with the inset showing the wave functions near jn = 0 Ω−1. d The impedance distribution of the sample. e The configuration of the circuit domain wall with ± 1/2 topological charges in light blue and green regions. f The admittance spectrum. Insets: The distribution of the wave functions and impedances. g The partial printed circuit board used in the experiment. h Experimentally measured impedance.
