Physics (Internal)

Novel boundaries for quantum Hall fluids: The bent quantum Hall junction

This event is part of the Biophysics/Condensed Matter Seminar Series.

Abstract: “A growth technique developed by the author and collaborators produces a two-dimensional electron system bent at 90 degrees with nanometer-scale sharpness. In the presence of a quantizing magnetic field at varying orientations, the boundary can host new types of boundaries for quantum Hall systems. This talk will present the case of a B-field at 45 degrees to each facet, whereby a long corner-junction of counterpropagating quantum Hall edges reconstitutes a wire-like system, and the case of a B-field at 90 degrees to one facet, whereby a short corner-junction shows evidence of momentum-resolved coupling and spectroscopic structure in the quantum Hall edge.”