Parity lifetime of bound states in a proximitized semiconductor nanowire

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Parity lifetime of bound states in a proximitized semiconductor nanowire. / Higginbotham, Andrew Patrick; Albrecht, Sven Marian; Kirsanskas, Gediminas; Chang, Willy; Kuemmeth, Ferdinand; Krogstrup, Peter; Jespersen, Thomas Sand; Nygård, Jesper; Flensberg, Karsten; Marcus, Charles M.

I: Nature Physics, Bind 11, Nr. 12, 01.12.2015, s. 1017-1021.

Publikation: Bidrag til tidsskriftTidsskriftartikel

Harvard

Higginbotham, AP, Albrecht, SM, Kirsanskas, G, Chang, W, Kuemmeth, F, Krogstrup, P, Jespersen, TS, Nygård, J, Flensberg, K & Marcus, CM 2015, 'Parity lifetime of bound states in a proximitized semiconductor nanowire', Nature Physics, bind 11, nr. 12, s. 1017-1021. https://doi.org/10.1038/NPHYS3461

APA

Higginbotham, A. P., Albrecht, S. M., Kirsanskas, G., Chang, W., Kuemmeth, F., Krogstrup, P., ... Marcus, C. M. (2015). Parity lifetime of bound states in a proximitized semiconductor nanowire. Nature Physics, 11(12), 1017-1021. https://doi.org/10.1038/NPHYS3461

Vancouver

Higginbotham AP, Albrecht SM, Kirsanskas G, Chang W, Kuemmeth F, Krogstrup P o.a. Parity lifetime of bound states in a proximitized semiconductor nanowire. Nature Physics. 2015 dec 1;11(12):1017-1021. https://doi.org/10.1038/NPHYS3461

Author

Higginbotham, Andrew Patrick ; Albrecht, Sven Marian ; Kirsanskas, Gediminas ; Chang, Willy ; Kuemmeth, Ferdinand ; Krogstrup, Peter ; Jespersen, Thomas Sand ; Nygård, Jesper ; Flensberg, Karsten ; Marcus, Charles M. / Parity lifetime of bound states in a proximitized semiconductor nanowire. I: Nature Physics. 2015 ; Bind 11, Nr. 12. s. 1017-1021.

Bibtex

@article{b3e2a40f60fa44e38c8d5f0a0d6b0dc2,
title = "Parity lifetime of bound states in a proximitized semiconductor nanowire",
abstract = "Quasiparticle excitations can compromise the performance of superconducting devices, causing high frequency dissipation, decoherence in Josephson qubits, and braiding errors in proposed Majorana-based topological quantum computers. Quasiparticle dynamics have been studied in detail in metallic superconductors but remain relatively unexplored in semiconductor-superconductor structures, which are now being intensely pursued in the context of topological superconductivity. To this end, we introduce a new physical system comprised of a gate-confined semiconductor nanowire with an epitaxially grown superconductor layer, yielding an isolated, proximitized nanowire segment. We identify Andreev-like bound states in the semiconductor via bias spectroscopy, determine the characteristic temperatures and magnetic fields for quasiparticle excitations, and extract a parity lifetime (poisoning time) of the bound state in the semiconductor exceeding 10 ms.",
keywords = "cond-mat.mes-hall, cond-mat.supr-con",
author = "Higginbotham, {Andrew Patrick} and Albrecht, {Sven Marian} and Gediminas Kirsanskas and Willy Chang and Ferdinand Kuemmeth and Peter Krogstrup and Jespersen, {Thomas Sand} and Jesper Nyg{\aa}rd and Karsten Flensberg and Marcus, {Charles M.}",
note = "[QDev]",
year = "2015",
month = "12",
day = "1",
doi = "10.1038/NPHYS3461",
language = "English",
volume = "11",
pages = "1017--1021",
journal = "Nature Physics",
issn = "1745-2473",
publisher = "nature publishing group",
number = "12",

}

RIS

TY - JOUR

T1 - Parity lifetime of bound states in a proximitized semiconductor nanowire

AU - Higginbotham, Andrew Patrick

AU - Albrecht, Sven Marian

AU - Kirsanskas, Gediminas

AU - Chang, Willy

AU - Kuemmeth, Ferdinand

AU - Krogstrup, Peter

AU - Jespersen, Thomas Sand

AU - Nygård, Jesper

AU - Flensberg, Karsten

AU - Marcus, Charles M.

N1 - [QDev]

PY - 2015/12/1

Y1 - 2015/12/1

N2 - Quasiparticle excitations can compromise the performance of superconducting devices, causing high frequency dissipation, decoherence in Josephson qubits, and braiding errors in proposed Majorana-based topological quantum computers. Quasiparticle dynamics have been studied in detail in metallic superconductors but remain relatively unexplored in semiconductor-superconductor structures, which are now being intensely pursued in the context of topological superconductivity. To this end, we introduce a new physical system comprised of a gate-confined semiconductor nanowire with an epitaxially grown superconductor layer, yielding an isolated, proximitized nanowire segment. We identify Andreev-like bound states in the semiconductor via bias spectroscopy, determine the characteristic temperatures and magnetic fields for quasiparticle excitations, and extract a parity lifetime (poisoning time) of the bound state in the semiconductor exceeding 10 ms.

AB - Quasiparticle excitations can compromise the performance of superconducting devices, causing high frequency dissipation, decoherence in Josephson qubits, and braiding errors in proposed Majorana-based topological quantum computers. Quasiparticle dynamics have been studied in detail in metallic superconductors but remain relatively unexplored in semiconductor-superconductor structures, which are now being intensely pursued in the context of topological superconductivity. To this end, we introduce a new physical system comprised of a gate-confined semiconductor nanowire with an epitaxially grown superconductor layer, yielding an isolated, proximitized nanowire segment. We identify Andreev-like bound states in the semiconductor via bias spectroscopy, determine the characteristic temperatures and magnetic fields for quasiparticle excitations, and extract a parity lifetime (poisoning time) of the bound state in the semiconductor exceeding 10 ms.

KW - cond-mat.mes-hall

KW - cond-mat.supr-con

U2 - 10.1038/NPHYS3461

DO - 10.1038/NPHYS3461

M3 - Journal article

VL - 11

SP - 1017

EP - 1021

JO - Nature Physics

JF - Nature Physics

SN - 1745-2473

IS - 12

ER -

ID: 130515205