Visualizing the multifractal wavefunctions of a disordered two-dimensional electron gas
Berthold Jäck,
Fabian Zinser,
Elio J. K\" onig
et al.
Abstract:The wavefunctions of a disordered two-dimensional electron gas at the quantum-critical Anderson transition are predicted to exhibit multifractal scaling in their real space amplitude. We experimentally investigate the appearance of these characteristics in the spatially resolved local density of states of the 2D mixed surface alloy BixPb (1−x) /Ag(111), by combining high-resolution scanning tunneling microscopy with spin-and angleresolved inverse-photoemission experiments. Our detailed knowledge of the surface… Show more
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