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Effective factors for the six highest zone-center subband edges in a GaAs wire with square cross section, plotted as a function of the bulk-hole factor . An order of magnitude enhancement in leads to saturation, in effect quenching orbital contributions to the Zeeman splitting.
Effective factors for the ten highest zone-center subband edges in cylindrical hole nanowires, calculated for various spin-orbit coupling strengths.
Squared normalized spin- dipole (spin-polarization) density, , for (a) the highest subband with and (b) the second-highest subband with . The values of spin-orbit coupling parameter and corresponding factor are indicated.
Mean g factors , obtained by averaging over the highest wire levels, plotted as a function of relative spin-orbit coupling strength . Inset: wire geometry and orientation of the magnetic field.
Relative spin-orbit coupling strength in the valence band of common semiconductors. Here , and denote the Luttinger parameters (Ref. 22).
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