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An open-system quantum simulator with trapped ions

Author

Listed:
  • Julio T. Barreiro

    (Institut für Experimentalphysik, Universität Innsbruck, Technikerstrasse 25)

  • Markus Müller

    (Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, Technikerstrasse 21A
    Institut für Theoretische Physik, Universität Innsbruck, Technikerstrasse 25)

  • Philipp Schindler

    (Institut für Experimentalphysik, Universität Innsbruck, Technikerstrasse 25)

  • Daniel Nigg

    (Institut für Experimentalphysik, Universität Innsbruck, Technikerstrasse 25)

  • Thomas Monz

    (Institut für Experimentalphysik, Universität Innsbruck, Technikerstrasse 25)

  • Michael Chwalla

    (Institut für Experimentalphysik, Universität Innsbruck, Technikerstrasse 25
    Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, Technikerstrasse 21A)

  • Markus Hennrich

    (Institut für Experimentalphysik, Universität Innsbruck, Technikerstrasse 25)

  • Christian F. Roos

    (Institut für Experimentalphysik, Universität Innsbruck, Technikerstrasse 25
    Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, Technikerstrasse 21A)

  • Peter Zoller

    (Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, Technikerstrasse 21A
    Institut für Theoretische Physik, Universität Innsbruck, Technikerstrasse 25)

  • Rainer Blatt

    (Institut für Experimentalphysik, Universität Innsbruck, Technikerstrasse 25
    Institut für Quantenoptik und Quanteninformation, Österreichische Akademie der Wissenschaften, Technikerstrasse 21A)

Abstract

The control of quantum systems is of fundamental scientific interest and promises powerful applications and technologies. Impressive progress has been achieved in isolating quantum systems from the environment and coherently controlling their dynamics, as demonstrated by the creation and manipulation of entanglement in various physical systems. However, for open quantum systems, engineering the dynamics of many particles by a controlled coupling to an environment remains largely unexplored. Here we realize an experimental toolbox for simulating an open quantum system with up to five quantum bits (qubits). Using a quantum computing architecture with trapped ions, we combine multi-qubit gates with optical pumping to implement coherent operations and dissipative processes. We illustrate our ability to engineer the open-system dynamics through the dissipative preparation of entangled states, the simulation of coherent many-body spin interactions, and the quantum non-demolition measurement of multi-qubit observables. By adding controlled dissipation to coherent operations, this work offers novel prospects for open-system quantum simulation and computation.

Suggested Citation

  • Julio T. Barreiro & Markus Müller & Philipp Schindler & Daniel Nigg & Thomas Monz & Michael Chwalla & Markus Hennrich & Christian F. Roos & Peter Zoller & Rainer Blatt, 2011. "An open-system quantum simulator with trapped ions," Nature, Nature, vol. 470(7335), pages 486-491, February.
  • Handle: RePEc:nat:nature:v:470:y:2011:i:7335:d:10.1038_nature09801
    DOI: 10.1038/nature09801
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    Cited by:

    1. Olawale Ayoade & Pablo Rivas & Javier Orduz, 2022. "Artificial Intelligence Computing at the Quantum Level," Data, MDPI, vol. 7(3), pages 1-16, February.
    2. Maria Mannone & Antonio Chella & Giovanni Pilato & Valeria Seidita & Filippo Vella & Salvatore Gaglio, 2024. "Modeling Robotic Thinking and Creativity: A Classic–Quantum Dialogue," Mathematics, MDPI, vol. 12(5), pages 1-16, February.
    3. Gianluca Aiello & Mathieu Féchant & Alexis Morvan & Julien Basset & Marco Aprili & Julien Gabelli & Jérôme Estève, 2022. "Quantum bath engineering of a high impedance microwave mode through quasiparticle tunneling," Nature Communications, Nature, vol. 13(1), pages 1-6, December.
    4. Midya Parto & Christian Leefmans & James Williams & Franco Nori & Alireza Marandi, 2023. "Non-Abelian effects in dissipative photonic topological lattices," Nature Communications, Nature, vol. 14(1), pages 1-8, December.
    5. Luati, Alessandra & Novelli, Marco, 2020. "The Hammersley–Chapman–Robbins inequality for repeatedly monitored quantum system," Statistics & Probability Letters, Elsevier, vol. 165(C).

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