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January, 2023, Vol.32 No 1

A quantum dot is laterally coupled to the conduction channel of a quantum point contact (QPC). The device was used to study how the conductance through a QPC is modified when the continuous energy state of a QPC is coupled to the discrete energy states of quantum dots. This work demonstrates that the Fano resonance is a possible candidate for the origin of the 0.7 conductance anomaly observed in QPCs.

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November, 2022, Vol.31 No 6

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