Abstract:We report on magnetoconductance measurements through a weakly coupled quantum dot, containing roughly 900 electrons, in a wide magnetic field range from 0 T to 12 T. We find modulations of the conductance resonances in the quantum Hall regime for higher integer filling factors 6 > ν dot > 2, in addition to modulations at 2 > ν dot > 1 and at fractional filling factors ν dot > ∼ 2/3, 1/3. Depending on the internal filling factor, edge reconstruction inside the quantum dot leads to the formation of multiple conc… Show more
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