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Tunneling spectroscopy of a single quantum dot coupled to a superconductor: From Kondo ridge to Andreev bound states

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Academic year: 2021

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FIG. 1. (Color online) (a) Color-enhanced scanning electron micrograph (scale bar: 500 nm) of a device fabricated for the tunneling spectroscopy of a carbon nanotube (CNT)
FIG. 3. (Color online) (a) Density plot of CNT’s tunneling DOS in the normal state as a function of voltage probe V (vertical axis) and BG (horizontal axis) following line 1 in the plane (BG, SG) depicted in Fig
FIG. 4. (Color online) Schematic of the excitation spectrum of the S-QD for (a)  /  1 and (d)  /  1 : Andreev transitions correspond to the excitation between the GS and excited state by addition of an electron or a hole [respectively blue and green dashed
FIG. 6. (Color online) (a) Color plot of tunneling DOS measured in the normal state as a function of energy (left axis) and BG voltage (bottom axis) in odd valley A

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