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Showing 1–5 of 5 results
Advanced filters: Author: David R. M. Arvidsson-Shukur Clear advanced filters

  • Spin defects in 2D hBN are promising for magnetic field sensing but suffer from short spin coherence times. Here the authors extend the coherence time for an ensemble of spins in hBN to 4 microseconds by using a continuous microwave drive and demonstrate qubit control in a protected spin space.

    • Andrew J. Ramsay
    • Reza Hekmati
    • Isaac J. Luxmoore
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-8

  • In quantum metrology (as well as computing) it is not easy to pinpoint the specific source of quantum advantage. Here, the authors reveal a link between postselection and the unusually high rates of information per final measurement in general quantum parameter-estimation scenarios.

    • David R. M. Arvidsson-Shukur
    • Nicole Yunger Halpern
    • Seth Lloyd
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-7

  • Existing methods for molecular simulations with quantum computers use ansatz constructed as series of fermionic excitation evolution. Here, qubit excitation evolutions are employed instead, in combination with the ADAPT-VQE protocol, to construct short and accurate ansatz suitable for noisy and imperfect quantum computers.

    • Yordan S. Yordanov
    • V. Armaos
    • David R. M. Arvidsson-Shukur
    ResearchOpen Access
    Communications Physics
    Volume: 4, P: 1-11