Cooling by Cooper pair splitting
Rafael Sánchez, Pablo Burset, Alfredo Levy Yeyati
DOI 10.1103/PhysRevB.98.241414 · Physical Review B
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
The electrons forming a Cooper pair in a superconductor can be spatially separated preserving their spin entanglement by means of quantum dots coupled to both the superconductor and independent normal leads. We investigate the thermoelectric properties of such a Cooper pair splitter and demonstrate that cooling of a reservoir is an indication of nonlocal correlations induced by the entangled electron pairs. Moreover, we show that the device can be operated as a nonlocal thermoelectric heat engine. Both as a refrigerator and as a heat engine, the Cooper pair splitter reaches efficiencies close to the thermodynamic bounds. As such, our work introduces an experimentally accessible heat engine and a refrigerator driven by entangled electron pairs in which the role of quantum correlations can be tested.
Similar papers
Nonlocal thermoelectricity in a Cooper-pair splitter
similarity 0.93Robert Hussein et al.
Source status unknown — claims are unverified
Single-photon pump by Cooper-pair splitting
similarity 0.90Mattia Mantovani et al.
Source status unknown — claims are unverified
Nonlocal thermoelectricity in a Cooper-pair splitter
similarity 0.90Robert Hussein et al. · 2018 · arXiv:1806.04569
Source status unknown — claims are unverified
Local electrical tuning of the nonlocal signals in a Cooper pair splitter
similarity 0.90G. Fülöp et al.
Source status unknown — claims are unverified
Optimal superconducting hybrid machine
similarity 0.88Rosa López et al.
Source status unknown — claims are unverified
Probing individual split Cooper pairs using the spin qubit toolkit
similarity 0.88Zoltán Scherübl et al.
Source status unknown — claims are unverified