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Showing 1–21 of 21 results
Advanced filters: Author: Maximilian Russ Clear advanced filters

  • Hole spin qubits in germanium are well suited for fast, electrically driven gates with high fidelity, but scaling to large qubit arrays remains challenging. Here the authors demonstrate a 10-spin qubit array with gate fidelities exceeding 99%, revealing mechanisms for uniform and scalable qubit control.

    • Valentin John
    • Cécile X. Yu
    • Menno Veldhorst
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-7

  • Conveyor-mode spin shuttling using a two-tone travelling-wave potential demonstrates an order of magnitude better spin coherence than bucket-brigade shuttling, achieving spin shuttling over 10 μm in under 200 ns with 99.5% fidelity in an isotopically purified Si/SiGe heterostructure.

    • Maxim De Smet
    • Yuta Matsumoto
    • Lieven M. K. Vandersypen
    ResearchOpen Access
    Nature Nanotechnology
    Volume: 20, P: 866-872

  • Hole spin qubits benefit from large spin-orbit interaction for efficient manipulation, but this can result in qubit variability. Here the authors study anisotropies in microwave-driven singlet-triplet qubits in planar germanium, revealing two distinct operating regimes due to different quantization axes alignments.

    • Jaime Saez-Mollejo
    • Daniel Jirovec
    • Georgios Katsaros
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-9

  • Coupling semiconductor spin qubits over long distances using a superconducting resonator makes different quantum architectures possible. Now, the coherent swapping of quantum states has been observed between qubits coupled using this design.

    • Jurgen Dijkema
    • Xiao Xue
    • Lieven M. K. Vandersypen
    ResearchOpen Access
    Nature Physics
    Volume: 21, P: 168-174

  • Spin shuttling is a promising technique for establishing a quantum link between qubit registers and has been studied in several quantum dot qubit platforms. Here the authors realize coherent shuttling of a hole spin qubit in a minimal quantum dot chain in germanium despite strong spin-orbit coupling.

    • Floor van Riggelen-Doelman
    • Chien-An Wang
    • Menno Veldhorst
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9

  • Singlet–triplet qubits implemented in a 2 × 4 germanium quantum dot array allow for a quantum circuit that generates and distributes entanglement across the array with a remote Bell state fidelity of 75(2)% between the first and last qubit.

    • Xin Zhang
    • Elizaveta Morozova
    • Lieven M. K. Vandersypen
    ResearchOpen Access
    Nature Nanotechnology
    Volume: 20, P: 209-215

  • Movies are complex, continuous stimuli that are characterized by visual and semantic novelty. Here, by leveraging intracranial recordings from 23 humans, the authors find that responses to novelty across film cuts and saccades are widespread in the brain.

    • Maximilian Nentwich
    • Marcin Leszczynski
    • Lucas C. Parra
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-17

  • Charge noise degrades the performance of spin qubits hindering scalability. Here the authors engineer the heterogeneous material stack in 28Si/SiGe gate-defined quantum dots, to improve the scattering properties and to reduce charge noise.

    • Brian Paquelet Wuetz
    • Davide Degli Esposti
    • Giordano Scappucci
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-9

  • Using germanium quantum dots, a four-qubit processor capable of single-, two-, three-, and four-qubit gates, demonstrated by the creation of four-qubit Greenberger−Horne−Zeilinger states, is the largest yet realized with solid-state electron spins.

    • Nico W. Hendrickx
    • William I. L. Lawrie
    • Menno Veldhorst
    Research
    Nature
    Volume: 591, P: 580-585

  • The universal control of six qubits in a 28Si/SiGe quantum dot array is demonstrated, achieving Rabi oscillations for each qubit with visibilities of 93.5–98.0%, implying high readout and initialization fidelities.

    • Stephan G. J. Philips
    • Mateusz T. Mądzik
    • Lieven M. K. Vandersypen
    ResearchOpen Access
    Nature
    Volume: 609, P: 919-924

  • A spin-based quantum processor in silicon achieves single-qubit and two-qubit gate fidelities above 99.5% using gate-set tomography, exceeding the theoretical threshold required for fault-tolerant quantum computing.

    • Xiao Xue
    • Maximilian Russ
    • Lieven M. K. Vandersypen
    ResearchOpen Access
    Nature
    Volume: 601, P: 343-347

  • Russ et al. discuss the broad applications of data science to mental health research and consider future ways that big data can improve detection, diagnosis, treatment, healthcare provision and disease management.

    • Tom C. Russ
    • Eva Woelbert
    • Stanley Zammit
    Reviews
    Nature Human Behaviour
    Volume: 3, P: 24-32

  • Perivascular and leptomeningeal macrophages, collectively termed here parenchymal border macrophages, are shown to regulate flow dynamics of cerebrospinal fluid, implicating this cell population as new therapeutic targets in neurological diseases such as Alzheimer’s.

    • Antoine Drieu
    • Siling Du
    • Jonathan Kipnis
    Research
    Nature
    Volume: 611, P: 585-593

  • Spin qubits are attractive for scalable quantum information, but integrating different classes of two-qubit logic has remained elusive. Here, the SWAP, CPHASE, and CNOT-class two-qubit gates are implemented in a silicon device operating even at temperatures above 1 K.

    • Luca Petit
    • Maximilian Russ
    • Menno Veldhorst
    ResearchOpen Access
    Communications Materials
    Volume: 3, P: 1-7

  • The UCSC SARS-CoV-2 Genome Browser (https://genome.ucsc.edu/covid19.html) is an adaptation of our popular genome-browser visualization tool for this virus, containing many annotation tracks and new features, including conservation with similar viruses, immune epitopes, RT–PCR and sequencing primers and CRISPR guides. We invite all investigators to contribute to this resource to accelerate research and development activities globally.

    • Jason D. Fernandes
    • Angie S. Hinrichs
    • Maximilian Haeussler
    Comments & Opinion
    Nature Genetics
    Volume: 52, P: 991-998