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Article Dans Une Revue Physical Review Letters Année : 2020

Single-Quantum-Dot Heat Valve

Résumé

We demonstrate gate control of electronic heat flow in a thermally-biased single-quantum-dot junction. Electron temperature maps taken in the immediate vicinity of the junction, as a function of the gate and bias voltages applied to the device, reveal clearly defined Coulomb diamond patterns revealing a maximum heat transfer right at the charge degeneracy point. The non-trivial bias and gate dependence of this heat valve results from both the quantum nature of the dot at the heart of device and its strong coupling to leads.

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Dates et versions

hal-03051429 , version 1 (10-12-2020)

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B. Dutta, D. Majidi, N. w. Talarico, N. Lo Gullo, Clemens B Winkelmann, et al.. Single-Quantum-Dot Heat Valve. Physical Review Letters, 2020, 125 (23), pp.237701. ⟨10.1103/PhysRevLett.125.237701⟩. ⟨hal-03051429⟩

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