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Showing 1–6 of 6 results
Advanced filters: Author: Dan Gresh Clear advanced filters

  • Quantum computers may help to solve classically intractable problems, such as simulating non-equilibrium dissipative quantum systems. The critical dynamics of a dissipative quantum model has now been probed on a trapped-ion quantum computer.

    • Eli Chertkov
    • Zihan Cheng
    • Michael Foss-Feig
    Research
    Nature Physics
    Volume: 19, P: 1799-1804

  • Qudits can encode a richer class of topologically ordered states, which are promising for quantum information, but experimental realizations have been limited to qubits. Here, the authors report a study of a qutrit toric code on a trapped-ion quantum computer.

    • Mohsin Iqbal
    • Anasuya Lyons
    • Henrik Dreyer
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-8

  • Characterisation of quantum operations is fundamental in quantum technologies - quantum computing in particular - but there’s currently no reliably efficient method to assess mid-circuit measurements, which are a key component for subfields like quantum error correction. Here, the authors fill this gap, integrating MCMs into the framework of randomized benchmarking.

    • Daniel Hothem
    • Jordan Hines
    • Timothy Proctor
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-9

  • Digital quantum simulations of fermionic models have so far been based on the Jordan–Wigner encoding, which is computationally expensive. An alternative and more efficient encoding scheme is now demonstrated in a trapped-ion quantum computer.

    • Ramil Nigmatullin
    • Kévin Hémery
    • Henrik Dreyer
    Research
    Nature Physics
    Volume: 21, P: 1319-1325

  • The simulation of quantum dynamics is a challenging task to solve with classical resources. An experiment with a trapped-ion quantum processor now shows the efficient simulation of the evolution of large-scale many-body quantum systems.

    • Eli Chertkov
    • Justin Bohnet
    • Michael Foss-Feig
    Research
    Nature Physics
    Volume: 18, P: 1074-1079

  • Topological quantum states are essential resources in quantum error correction and quantum simulation but unitary quantum circuits for their preparation require extensive circuit depth. The authors demonstrate a constant-depth protocol to prepare topologically ordered states on a trapped-ion quantum computer using non-unitary operations.

    • Mohsin Iqbal
    • Nathanan Tantivasadakarn
    • Henrik Dreyer
    ResearchOpen Access
    Communications Physics
    Volume: 7, P: 1-8