Direct transport between superconducting subgap states in a double quantum dot

Research output: Contribution to journalJournal articlepeer-review

Standard

Direct transport between superconducting subgap states in a double quantum dot. / Steffensen, G. O.; Saldana, J. C. Estrada; Vekris, A.; Krogstrup, P.; Grove-Rasmussen, K.; Nygard, J.; Yeyati, A. L.; Paaske, J.

In: Physical Review B, Vol. 105, No. 16, 161302, 15.04.2022.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Steffensen, GO, Saldana, JCE, Vekris, A, Krogstrup, P, Grove-Rasmussen, K, Nygard, J, Yeyati, AL & Paaske, J 2022, 'Direct transport between superconducting subgap states in a double quantum dot', Physical Review B, vol. 105, no. 16, 161302. https://doi.org/10.1103/PhysRevB.105.L161302

APA

Steffensen, G. O., Saldana, J. C. E., Vekris, A., Krogstrup, P., Grove-Rasmussen, K., Nygard, J., Yeyati, A. L., & Paaske, J. (2022). Direct transport between superconducting subgap states in a double quantum dot. Physical Review B, 105(16), [161302]. https://doi.org/10.1103/PhysRevB.105.L161302

Vancouver

Steffensen GO, Saldana JCE, Vekris A, Krogstrup P, Grove-Rasmussen K, Nygard J et al. Direct transport between superconducting subgap states in a double quantum dot. Physical Review B. 2022 Apr 15;105(16). 161302. https://doi.org/10.1103/PhysRevB.105.L161302

Author

Steffensen, G. O. ; Saldana, J. C. Estrada ; Vekris, A. ; Krogstrup, P. ; Grove-Rasmussen, K. ; Nygard, J. ; Yeyati, A. L. ; Paaske, J. / Direct transport between superconducting subgap states in a double quantum dot. In: Physical Review B. 2022 ; Vol. 105, No. 16.

Bibtex

@article{dfbf0dcc949c49699f76b671b7142950,
title = "Direct transport between superconducting subgap states in a double quantum dot",
abstract = "We demonstrate direct transport between two opposing sets of Yu-Shiba-Rusinov (YSR) subgap states realized in a double quantum dot. This bound-state-to-bound-state transport relies on intrinsic quasiparticle relaxation, and the tunable gating of this quantum dot device allows us to explore also an additional relaxation mechanism based on charge transferring Andreev reflections. The transition between these two relaxation regimes is identified in the experiment as a marked gate-induced stepwise change in conductance. We present a transport calculation, including YSR bound states and multiple Andreev reflections alongside quasiparticle relaxation, due to a weak tunnel coupling to a nearby normal metal, and obtain excellent agreement with the data.",
keywords = "COHERENT MANIPULATION",
author = "Steffensen, {G. O.} and Saldana, {J. C. Estrada} and A. Vekris and P. Krogstrup and K. Grove-Rasmussen and J. Nygard and Yeyati, {A. L.} and J. Paaske",
year = "2022",
month = apr,
day = "15",
doi = "10.1103/PhysRevB.105.L161302",
language = "English",
volume = "105",
journal = "Physical Review B",
issn = "2469-9950",
publisher = "American Physical Society",
number = "16",

}

RIS

TY - JOUR

T1 - Direct transport between superconducting subgap states in a double quantum dot

AU - Steffensen, G. O.

AU - Saldana, J. C. Estrada

AU - Vekris, A.

AU - Krogstrup, P.

AU - Grove-Rasmussen, K.

AU - Nygard, J.

AU - Yeyati, A. L.

AU - Paaske, J.

PY - 2022/4/15

Y1 - 2022/4/15

N2 - We demonstrate direct transport between two opposing sets of Yu-Shiba-Rusinov (YSR) subgap states realized in a double quantum dot. This bound-state-to-bound-state transport relies on intrinsic quasiparticle relaxation, and the tunable gating of this quantum dot device allows us to explore also an additional relaxation mechanism based on charge transferring Andreev reflections. The transition between these two relaxation regimes is identified in the experiment as a marked gate-induced stepwise change in conductance. We present a transport calculation, including YSR bound states and multiple Andreev reflections alongside quasiparticle relaxation, due to a weak tunnel coupling to a nearby normal metal, and obtain excellent agreement with the data.

AB - We demonstrate direct transport between two opposing sets of Yu-Shiba-Rusinov (YSR) subgap states realized in a double quantum dot. This bound-state-to-bound-state transport relies on intrinsic quasiparticle relaxation, and the tunable gating of this quantum dot device allows us to explore also an additional relaxation mechanism based on charge transferring Andreev reflections. The transition between these two relaxation regimes is identified in the experiment as a marked gate-induced stepwise change in conductance. We present a transport calculation, including YSR bound states and multiple Andreev reflections alongside quasiparticle relaxation, due to a weak tunnel coupling to a nearby normal metal, and obtain excellent agreement with the data.

KW - COHERENT MANIPULATION

U2 - 10.1103/PhysRevB.105.L161302

DO - 10.1103/PhysRevB.105.L161302

M3 - Journal article

VL - 105

JO - Physical Review B

JF - Physical Review B

SN - 2469-9950

IS - 16

M1 - 161302

ER -

ID: 315759163