How a wave packet travels through a quantum electronic interferometer

Together with Christoph Kreisbeck and Rafael A Molina I have contributed a blog entry to the News and Views section of the Journal of Physics describing our most recent work on Aharonov-Bohm interferometer with an imbedded quantum dot (article, arxiv). Can you spot Schrödinger’s cat in the result?

Transition between the resistivity of the nanoring with and without embedded quantum dot. The vertical axis denotes the Fermi energy (controlled by a gate), while the horizontal axis scans through the magnetic field to induce phase differences between the pathways.

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