TOPOLOGICALLY PROTECTED AND SCALABLE QUANTUM BITS

Rezultaty

Report on the origin of the zero-bias peak in 2-terminal devices

Report on the origin of the zerobias peak in 2terminal devicesThis deliverable is linked to task 51 Search for zerobias anomaly ZBA in NWs covered in part by a superconductor

Report on spin-orbit coupling measurements

Report on spinorbit coupling measurementsThis deliverable is linked to task 33 Spinorbit coupling of HWs and NWs

Report on progress of nanofabrication

Report on progress of nanofabricationThis deliverable is linked to task 31 Fabrication of hutwire and nanowire devices

Report on g-factor measurements

Report on gfactor measurementsThis deliverable is linked to task 32 gfactors of hutwires and nanowires

Report on Josephson field-effect transistors

Report on Josephson fieldeffect transistorsThis deliverable is linked to task 41 Josephson fieldeffect transistor

Report on search for fractional Josephson effect

Report on search for fractional Josephson effectThis deliverable is linked to task 52 Ic and radiation spectrum in SNS junctions probe topological phase transition

Report on robustness of gap vs magnetic field

Report on robustness of gap vs magnetic fieldThis deliverable is linked to task 43 Robustness of gap vs magnetic field

Report on growth of double wires with shared shell

Report on growth of double wires with shared shellThis deliverable is linked to task 22 SAG growth of GeSi coreshell channels

Summary of efforts to achieve superconductivity in Ge hut wires

Summary of efforts to achieve superconductivity in Ge hut wiresThis deliverable is linked to task 41 Josephson fieldeffect transistor

Report on double-wire devices for inter-wire superconducting pairing

Report on doublewire devices for interwire superconducting pairingThis deliverable is linked to task 53 Doublewire devices for interwire superconducting pairing

Report on hole-hole interaction measurements

Report on holehole interaction measurementsThis deliverable is linked to task 34 Strength of holehole interactions in HWs and NWs

Report on growth of tall HWs for large g-factor

Report on growth of tall HWs for large g-factor This deliverable is linked to task 2.1: Optimization of the Ge hut wire growth on pre-patterned Si substrates.

Report on epitaxial growth of superconductor on shell of nanowires

Report on epitaxial growth of superconductor on shell of nanowires This deliverable is linked to task 23 Nanowires with superconductor epitaxially grown on shell

Report on induced gap Δ* vs Si shell thickness

Report on induced gap vs Si shell thicknessThis deliverable is linked to task 42 Size and symmetry of induced gap vs Si shell thickness

Public website

Public website This deliverable is linked to task 1.6: Developing communication plan and corporate style; development, hosting and maintenance of a public website; development of dissemination material and activities

Publikacje

Prevalence of trivial zero-energy sub-gap states in non-uniform helical spin chains on the surface of superconductors

Autorzy: Richard Hess, Henry F. Legg, Daniel Loss, Jelena Klinovaja
Opublikowane w: Physical Review B, Numer 24699969, 2022, ISSN 2469-9969
Wydawca: American Physical Society
DOI: 10.1103/physrevb.106.104503

Site‐Controlled Uniform Ge/Si Hut Wires with Electrically Tunable Spin–Orbit Coupling

Autorzy: Fei Gao, Jian‐Huan Wang, Hannes Watzinger, Hao Hu, Marko J. Rančić, Jie‐Yin Zhang, Ting Wang, Yuan Yao, Gui‐Lei Wang, Josip Kukučka, Lada Vukušić, Christoph Kloeffel, Daniel Loss, Feng Liu, Georgios Katsaros, Jian‐Jun Zhang
Opublikowane w: Advanced Materials, Numer 32/16, 2020, Strona(/y) 1906523, ISSN 0935-9648
Wydawca: United Nations Industrial Developement Organization
DOI: 10.1002/adma.201906523

Cryogenic hyperabrupt strontium titanate varactors for sensitive reflectometry of quantum dots

Autorzy: Rafael S. Eggli, Simon Svab, Taras Patlatiuk, Dominique A. Trüssel, Miguel J. Carballido, Pierre Chevalier Kwon, Simon Geyer, Ang Li, Erik P.A.M. Bakkers, Andreas V. Kuhlmann, and Dominik M. Zumbühl
Opublikowane w: Physical Review Applied, 2023, ISSN 2331-7019
Wydawca: American Physical Society
DOI: 10.1103/physrevapplied.20.054056

Enhancement of proximity-induced superconductivity in a planar Ge hole gas

Autorzy: Kushagra Aggarwal; Andrea Hofmann; Daniel Jirovec; Ivan Prieto; Amir Sammak; Marc Botifoll; Sara Martí-Sánchez; Menno Veldhorst; Jordi Arbiol; Giordano Scappucci; Jeroen Danon; Georgios Katsaros
Opublikowane w: Physical Review Research, Numer 26431564, 2021, ISSN 2643-1564
Wydawca: American Physical Society
DOI: 10.1103/physrevresearch.3.l022005

ac Josephson effect in a gate-tunable Cd3As2 nanowire superconducting weak link

Autorzy: R. Haller, M. Osterwalder, G. Fülöp, J. Ridderbos, M. Jung, and C. Schönenberger
Opublikowane w: Physical Review B, 2023, ISSN 2469-9969
Wydawca: American Physical Society
DOI: 10.1103/physrevb.108.094514

The germanium quantum information route

Autorzy: Giordano Scappucci, Christoph Kloeffel, Floris A. Zwanenburg, Daniel Loss, Maksym Myronov, Jian-Jun Zhang, Silvano De Franceschi, Georgios Katsaros, Menno Veldhorst
Opublikowane w: Nature Reviews Materials, 2020, ISSN 2058-8437
Wydawca: Nature Materials Group
DOI: 10.1038/s41578-020-00262-z

Multiple Andreev reflections in topological Josephson junctions with chiral Majorana modes

Autorzy: Linde A. B. Olde Olthof; Stijn R. de Wit; Shu-Ichiro Suzuki; Inanc Adagideli; Jason W. A. Robinson; Alexander Brinkman
Opublikowane w: Physical Review B, 2023, ISSN 2469-9969
Wydawca: American Physical Society
DOI: 10.1103/physrevb.107.184510

Local and nonlocal quantum transport due to Andreev bound states in finite Rashba nanowires with superconducting and normal sections

Autorzy: Richard Hess, Henry F. Legg, Daniel Loss, and Jelena Klinovaja
Opublikowane w: Physical Review B, Numer 24699969, 2021, ISSN 2469-9969
Wydawca: American Physical Society
DOI: 10.1103/physrevb.104.075405

Gate Tunable Josephson Diode in Proximitized InAs Supercurrent Interferometers

Autorzy: Carlo Ciaccia, Roy Haller, Asbjørn C. C. Drachmann, Tyler Lindemann, Michael J. Manfra, Constantin Schrade, and Christian Schönenberger
Opublikowane w: Physical Review Research, 2023, ISSN 2643-1564
Wydawca: American Physical Society
DOI: 10.1103/physrevresearch.5.033131

Performance of high impedance resonators in dirty dielectric environments

Autorzy: J. H. Ungerer, D. Sarmah, A. Kononov, J. Ridderbos, R. Haller, L. Y. Cheung & C. Schönenberger
Opublikowane w: EPJ Quantum Technology, 2023, ISSN 2196-0763
Wydawca: Springer Nature SharedIt
DOI: 10.1140/epjqt/s40507-023-00199-6

Trivial Andreev Band Mimicking Topological Bulk Gap Reopening in the Nonlocal Conductance of Long Rashba Nanowires

Autorzy: Richard Hess, Henry F. Legg, Daniel Loss, and Jelena Klinovaja
Opublikowane w: Physical Review Letters, 2023, ISSN 1079-7114
Wydawca: American Physical Society
DOI: 10.1103/physrevlett.130.207001

Hard Superconducting Gap and Diffusion-Induced Superconductors in Ge–Si Nanowires

Autorzy: Joost Ridderbos, Matthias Brauns, Folkert K. de Vries, Jie Shen, Ang Li, Sebastian Kölling, Marcel A. Verheijen, Alexander Brinkman, Wilfred G. van der Wiel, Erik P. A. M. Bakkers, Floris A. Zwanenburg
Opublikowane w: Nano Letters, Numer 20/1, 2019, Strona(/y) 122-130, ISSN 1530-6984
Wydawca: American Chemical Society
DOI: 10.1021/acs.nanolett.9b03438

Ultrafast hole spin qubit with gate-tunable spin–orbit switch functionality

Autorzy: Florian N. M. Froning, Leon C. Camenzind, Orson A. H. van der Molen, Ang Li, Erik P. A. M. Bakkers, Dominik M. Zumbühl, Floris R. Braakman
Opublikowane w: Nature Nanotechnology, Numer 16/3, 2021, Strona(/y) 308-312, ISSN 1748-3387
Wydawca: Nature Publishing Group
DOI: 10.1038/s41565-020-00828-6

Charge-sensing of a Ge/Si core/shell nanowire double quantum dot using a high-impedance superconducting resonator,

Autorzy: J. H. Ungerer, P. Chevalier Kwon, T. Patlatiuk, J. Ridderbos, A. Kononov, D Sarmah, E. P. A. M. Bakkers, D. Zumbühl, and C. Schönenberger,
Opublikowane w: Materials for Quantum Technology, 2023, ISSN 2633-4356
Wydawca: IOP publishing
DOI: 10.1088/2633-4356/ace2a6

Strong spin-orbit interaction and g -factor renormalization of hole spins in Ge/Si nanowire quantum dots

Autorzy: F. N. M. Froning, M. J. Rančić, B. Hetényi, S. Bosco, M. K. Rehmann, A. Li, E. P. A. M. Bakkers, F. A. Zwanenburg, D. Loss, D. M. Zumbühl, F. R. Braakman
Opublikowane w: Physical Review Research, Numer 3/1, 2021, ISSN 2643-1564
Wydawca: American Physical Society
DOI: 10.1103/physrevresearch.3.013081

Zero Field Splitting of Heavy-Hole States in Quantum Dots

Autorzy: Georgios Katsaros, Josip Kukučka, Lada Vukušić, Hannes Watzinger, Fei Gao, Ting Wang, Jian-Jun Zhang, Karsten Held
Opublikowane w: Nano Letters, Numer 20/7, 2020, Strona(/y) 5201-5206, ISSN 1530-6984
Wydawca: American Chemical Society
DOI: 10.1021/acs.nanolett.0c01466

Rezultaty

Publikacje

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