Figure 3: Rashba–Zeeman (RZ) splitting: experiment, theory and consequences for 3D Fermi surface. | Nature Communications

Figure 3: Rashba–Zeeman (RZ) splitting: experiment, theory and consequences for 3D Fermi surface.

From: Entanglement and manipulation of the magnetic and spin–orbit order in multiferroic Rashba semiconductors

Figure 3

(a) Zoomed-in ARPES data from Fig. 2f (second-derivative plots from red rectangle area in Fig. 2b) compared with ab initio Ge1−xMnxTe calculations for selected Mn dopings in b; each fitted to a simplified RZ gas model (red/blue lines) and more accurate Dirac fermion model (light-blue lines). The best-fit parameters of the Rashba parameter αR and the Zeeman gap ΔZ are displayed in the corresponding lower right hand panels. The αR error bars were obtained from varying the fit parameters. (c) 3D Fermi surfaces for three different chemical potentials μ.

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