Electronic Radio-Frequency Refrigerator
classification
❄️ cond-mat.mes-hall
keywords
gatevoltagealternatingappliedbiascurrentdemonstratedevice
read the original abstract
We demonstrate experimentally that a hybrid single-electron transistor with superconducting leads and a normal-metal island can be refrigerated by an alternating voltage applied to the gate electrode. The simultaneous measurement of the dc current induced by the rf gate through the device at a small bias voltage serves as an in-situ thermometer.
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