End-to-end correlated subgap states in hybrid nanowires

G. L. R. Anselmetti; E. A. Martinez; G. C. Menard; D. Puglia; F. K. Malinowski; J. S. Lee; S. Choi; M. Pendharkar; C. J. Palmstrom; C. M. Marcus; L. Casparis; A. P. Higginbotham

doi:10.1103/PhysRevB.100.205412

End-to-end correlated subgap states in hybrid nanowires

G. L. R. Anselmetti, E. A. Martinez, G. C. Menard, D. Puglia, F. K. Malinowski, J. S. Lee, S. Choi, M. Pendharkar, C. J. Palmstrom, C. M. Marcus, L. Casparis, A. P. Higginbotham

Faststoffysik

11 Citationer (Scopus)

Abstract

End-to-end correlated bound states are investigated in superconductor-semiconductor hybrid nanowires at zero magnetic field. Peaks in subgap conductance are independently identified from each wire end, and a cross-correlation function is computed that counts end-to-end coincidences, averaging over thousands of subgap features. Strong correlations in a short, 300-nm device are reduced by a factor of 4 in a long, 900-nm device. In addition, subgap conductance distributions are investigated, and correlations between the left and right distributions are identified based on their mutual information.

Originalsprog	Engelsk
Artikelnummer	205412
Tidsskrift	Physical Review B
Vol/bind	100
Udgave nummer	20
Antal sider	6
ISSN	2469-9950
DOI	https://doi.org/10.1103/PhysRevB.100.205412
Status	Udgivet - 12 nov. 2019

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10.1103/PhysRevB.100.205412

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AU - Anselmetti, G. L. R.

AU - Martinez, E. A.

AU - Menard, G. C.

AU - Puglia, D.

AU - Malinowski, F. K.

AU - Lee, J. S.

AU - Choi, S.

AU - Pendharkar, M.

AU - Palmstrom, C. J.

AU - Marcus, C. M.

AU - Casparis, L.

AU - Higginbotham, A. P.

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PY - 2019/11/12

Y1 - 2019/11/12

N2 - End-to-end correlated bound states are investigated in superconductor-semiconductor hybrid nanowires at zero magnetic field. Peaks in subgap conductance are independently identified from each wire end, and a cross-correlation function is computed that counts end-to-end coincidences, averaging over thousands of subgap features. Strong correlations in a short, 300-nm device are reduced by a factor of 4 in a long, 900-nm device. In addition, subgap conductance distributions are investigated, and correlations between the left and right distributions are identified based on their mutual information.

AB - End-to-end correlated bound states are investigated in superconductor-semiconductor hybrid nanowires at zero magnetic field. Peaks in subgap conductance are independently identified from each wire end, and a cross-correlation function is computed that counts end-to-end coincidences, averaging over thousands of subgap features. Strong correlations in a short, 300-nm device are reduced by a factor of 4 in a long, 900-nm device. In addition, subgap conductance distributions are investigated, and correlations between the left and right distributions are identified based on their mutual information.

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DO - 10.1103/PhysRevB.100.205412

M3 - Journal article

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VL - 100

JO - Physical Review B

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IS - 20

M1 - 205412

ER -

End-to-end correlated subgap states in hybrid nanowires

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