Cooling by Cooper pair splitting

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Cooling by Cooper pair splitting. / Sanchez, Rafael; Burset Atienza, Pablo; Levy Yeyati, Alfredo.

In: Physical Review B, Vol. 98, No. 24, 241414, 28.12.2018, p. 1-6.

Research output: Contribution to journalArticleScientificpeer-review

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Sanchez, R, Burset Atienza, P & Levy Yeyati, A 2018, 'Cooling by Cooper pair splitting', Physical Review B, vol. 98, no. 24, 241414, pp. 1-6. https://doi.org/10.1103/PhysRevB.98.241414

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Sanchez, Rafael ; Burset Atienza, Pablo ; Levy Yeyati, Alfredo. / Cooling by Cooper pair splitting. In: Physical Review B. 2018 ; Vol. 98, No. 24. pp. 1-6.

Bibtex - Download

@article{2d7f5533105b41c4afa860c2f41ec09b,
title = "Cooling by Cooper pair splitting",
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.",
author = "Rafael Sanchez and {Burset Atienza}, Pablo and {Levy Yeyati}, Alfredo",
note = "| openaire: EC/H2020/743884/EU//DiracEntangler",
year = "2018",
month = "12",
day = "28",
doi = "10.1103/PhysRevB.98.241414",
language = "English",
volume = "98",
pages = "1--6",
journal = "Physical Review B (Condensed Matter and Materials Physics)",
issn = "2469-9950",
publisher = "American Physical Society",
number = "24",

}

RIS - Download

TY - JOUR

T1 - Cooling by Cooper pair splitting

AU - Sanchez, Rafael

AU - Burset Atienza, Pablo

AU - Levy Yeyati, Alfredo

N1 - | openaire: EC/H2020/743884/EU//DiracEntangler

PY - 2018/12/28

Y1 - 2018/12/28

N2 - 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.

AB - 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.

UR - https://arxiv.org/abs/1806.04035

U2 - 10.1103/PhysRevB.98.241414

DO - 10.1103/PhysRevB.98.241414

M3 - Article

VL - 98

SP - 1

EP - 6

JO - Physical Review B (Condensed Matter and Materials Physics)

JF - Physical Review B (Condensed Matter and Materials Physics)

SN - 2469-9950

IS - 24

M1 - 241414

ER -

ID: 30995577