@article{7a607e6aa73f433198893f70a7817f82,
title = "Observation of Vanishing Charge Dispersion of a Nearly Open Superconducting Island",
abstract = "Isolation from the environment determines the extent to which charge is confined on an island, which manifests as Coulomb oscillations, such as charge dispersion. We investigate the charge dispersion of a nanowire transmon hosting a quantum dot in the junction. We observe rapid suppression of the charge dispersion with increasing junction transparency, consistent with the predicted scaling law, which incorporates two branches of the Josephson potential. We find improved qubit coherence times at the point of highest suppression, suggesting novel approaches for building charge-insensitive qubits.",
author = "Arno Bargerbos and Willemijn Uilhoorn and Yang, {Chung Kai} and Peter Krogstrup and Kouwenhoven, {Leo P.} and {De Lange}, Gijs and {Van Heck}, Bernard and Angela Kou",
note = "Funding Information: We acknowledge fruitful discussions with A. Antipov, A. Kringh{\o} j, J. Kroll, T. W. Larsen, R. Lutchyn, K. Petersson, W. Pfaff, D. Pikulin, and A. Proutski. We further thank Jasper van Veen for placing the nanowire and Will Oliver for providing us with a traveling wave parametric amplifier. This work is part of the research project Scalable circuits of Majorana qubits with topological protection (i39, SCMQ) with Project No. 14SCMQ02, which is (partly) financed by the Dutch Research Council (NWO). It has further been supported by the Microsoft Quantum initiative. Publisher Copyright: {\textcopyright} 2020 American Physical Society.",
year = "2020",
month = jun,
day = "19",
doi = "10.1103/PhysRevLett.124.246802",
language = "English (US)",
volume = "124",
journal = "Physical Review Letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "24",
}