Valley splitting data alone cannot reliably distinguish disordered from deterministic Si/SiGe quantum wells, but g-factor mapping around valley vortices can recover the needed valley phase.
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Statistical characterization of valley coupling in Si/SiGe quantum dots via $g$-factor measurements near a valley vortex
Valley splitting data alone cannot reliably distinguish disordered from deterministic Si/SiGe quantum wells, but g-factor mapping around valley vortices can recover the needed valley phase.