Forskning ved Københavns Universitet - Københavns Universitet

Forside

Supercurrent in a Double Quantum Dot

Publikation: Bidrag til tidsskriftLetterForskningfagfællebedømt

Standard

Supercurrent in a Double Quantum Dot. / Estrada Saldaña, J. C.; Vekris, A.; Steffensen, G.; Žitko, R.; Krogstrup, P.; Paaske, J.; Grove-Rasmussen, K.; Nygård, J.

I: Physical Review Letters, Bind 121, Nr. 25, 112010, 20.12.2018.

Publikation: Bidrag til tidsskriftLetterForskningfagfællebedømt

Harvard

Estrada Saldaña, JC, Vekris, A, Steffensen, G, Žitko, R, Krogstrup, P, Paaske, J, Grove-Rasmussen, K & Nygård, J 2018, 'Supercurrent in a Double Quantum Dot', Physical Review Letters, bind 121, nr. 25, 112010. https://doi.org/10.1103/PhysRevLett.121.257701

APA

Estrada Saldaña, J. C., Vekris, A., Steffensen, G., Žitko, R., Krogstrup, P., Paaske, J., Grove-Rasmussen, K., & Nygård, J. (2018). Supercurrent in a Double Quantum Dot. Physical Review Letters, 121(25), [112010]. https://doi.org/10.1103/PhysRevLett.121.257701

Vancouver

Estrada Saldaña JC, Vekris A, Steffensen G, Žitko R, Krogstrup P, Paaske J o.a. Supercurrent in a Double Quantum Dot. Physical Review Letters. 2018 dec 20;121(25). 112010. https://doi.org/10.1103/PhysRevLett.121.257701

Author

Estrada Saldaña, J. C. ; Vekris, A. ; Steffensen, G. ; Žitko, R. ; Krogstrup, P. ; Paaske, J. ; Grove-Rasmussen, K. ; Nygård, J. / Supercurrent in a Double Quantum Dot. I: Physical Review Letters. 2018 ; Bind 121, Nr. 25.

Bibtex

@article{7c1929317d384819a472909a6c39c2e3,
title = "Supercurrent in a Double Quantum Dot",
abstract = "We demonstrate the Josephson effect in a serial double quantum dot defined in a nanowire with epitaxial superconducting leads. The supercurrent stability diagram adopts a honeycomb pattern. We observe sharp discontinuities in the magnitude of the critical current, $I_c$, as a function of dot occupation, related to doublet to singlet ground state transitions. Detuning of the energy levels offers a tuning knob for $I_c$, which attains a maximum at zero detuning. The consistency between experiment and theory indicates that our device is a faithful realization of the two-impurity Anderson model.",
keywords = "Nanowires, Quantum Transport, Josephson effect",
author = "{Estrada Salda{\~n}a}, {J. C.} and A. Vekris and G. Steffensen and R. {\v Z}itko and P. Krogstrup and J. Paaske and K. Grove-Rasmussen and J. Nyg{\aa}rd",
note = "[Qdev]",
year = "2018",
month = dec,
day = "20",
doi = "10.1103/PhysRevLett.121.257701",
language = "English",
volume = "121",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "25",

}

RIS

TY - JOUR

T1 - Supercurrent in a Double Quantum Dot

AU - Estrada Saldaña, J. C.

AU - Vekris, A.

AU - Steffensen, G.

AU - Žitko, R.

AU - Krogstrup, P.

AU - Paaske, J.

AU - Grove-Rasmussen, K.

AU - Nygård, J.

N1 - [Qdev]

PY - 2018/12/20

Y1 - 2018/12/20

N2 - We demonstrate the Josephson effect in a serial double quantum dot defined in a nanowire with epitaxial superconducting leads. The supercurrent stability diagram adopts a honeycomb pattern. We observe sharp discontinuities in the magnitude of the critical current, $I_c$, as a function of dot occupation, related to doublet to singlet ground state transitions. Detuning of the energy levels offers a tuning knob for $I_c$, which attains a maximum at zero detuning. The consistency between experiment and theory indicates that our device is a faithful realization of the two-impurity Anderson model.

AB - We demonstrate the Josephson effect in a serial double quantum dot defined in a nanowire with epitaxial superconducting leads. The supercurrent stability diagram adopts a honeycomb pattern. We observe sharp discontinuities in the magnitude of the critical current, $I_c$, as a function of dot occupation, related to doublet to singlet ground state transitions. Detuning of the energy levels offers a tuning knob for $I_c$, which attains a maximum at zero detuning. The consistency between experiment and theory indicates that our device is a faithful realization of the two-impurity Anderson model.

KW - Nanowires

KW - Quantum Transport

KW - Josephson effect

U2 - 10.1103/PhysRevLett.121.257701

DO - 10.1103/PhysRevLett.121.257701

M3 - Letter

C2 - 30608792

VL - 121

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 25

M1 - 112010

ER -

ID: 210442145