Type of Publication: | Preprint |
Publication status: | Published |
URI (citable link): | http://nbn-resolving.de/urn:nbn:de:bsz:352-2-gg523hymefj55 |
Author: | Mantovani, Mattia; Belzig, Wolfgang; Rastelli, Gianluca; Hussein, Robert |
Year of publication: | 2019 |
ArXiv-ID: | arXiv:1907.04308 |
Summary: |
Hybrid quantum dot-oscillator systems have become attractive platforms to inspect quantum coherence effects at the nanoscale. Here, we investigate a Cooper-pair splitter setup consisting of two quantum dots, each linearly coupled to a local resonator. The latter can be realized either by a microwave cavity or a nanomechanical resonator. Focusing on the subgap regime, we demonstrate that cross-Andreev reflection, through which Cooper pairs are split into both dots, can efficiently cool down each resonator into its ground state. Moreover, we show that a nonlocal heat transfer between the two resonators is activated when opportune resonance conditions are matched. The proposed scheme can act as a heat-pump device with potential applications in heat control and cooling of mesoscopic quantum resonators.
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Subject (DDC): | 530 Physics |
Link to License: | In Copyright |
Bibliography of Konstanz: | Yes |
MANTOVANI, Mattia, Wolfgang BELZIG, Gianluca RASTELLI, Robert HUSSEIN, 2019. Nonlocal heat transfer between resonators by Cooper-pair splitting
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