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Quantum wake dynamics in Heisenberg antiferromagnetic chains

Author

Listed:
  • A. Scheie

    (Oak Ridge National Laboratory)

  • P. Laurell

    (Oak Ridge National Laboratory
    University of Tennessee)

  • B. Lake

    (Helmholtz-Zentrum Berlin für Materialien und Energie GmbH
    Technische Universität Berlin)

  • S. E. Nagler

    (Oak Ridge National Laboratory
    Oak Ridge National Laboratory)

  • M. B. Stone

    (Oak Ridge National Laboratory)

  • J-S Caux

    (University of Amsterdam)

  • D. A. Tennant

    (Oak Ridge National Laboratory
    Oak Ridge National Laboratory
    Oak Ridge National Laboratory)

Abstract

Traditional spectroscopy, by its very nature, characterizes physical system properties in the momentum and frequency domains. However, the most interesting and potentially practically useful quantum many-body effects emerge from local, short-time correlations. Here, using inelastic neutron scattering and methods of integrability, we experimentally observe and theoretically describe a local, coherent, long-lived, quasiperiodically oscillating magnetic state emerging out of the distillation of propagating excitations following a local quantum quench in a Heisenberg antiferromagnetic chain. This “quantum wake” displays similarities to Floquet states, discrete time crystals and nonlinear Luttinger liquids. We also show how this technique reveals the non-commutativity of spin operators, and is thus a model-agnostic measure of a magnetic system’s “quantumness.”

Suggested Citation

  • A. Scheie & P. Laurell & B. Lake & S. E. Nagler & M. B. Stone & J-S Caux & D. A. Tennant, 2022. "Quantum wake dynamics in Heisenberg antiferromagnetic chains," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-33571-8
    DOI: 10.1038/s41467-022-33571-8
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    References listed on IDEAS

    as
    1. P. Jurcevic & B. P. Lanyon & P. Hauke & C. Hempel & P. Zoller & R. Blatt & C. F. Roos, 2014. "Quasiparticle engineering and entanglement propagation in a quantum many-body system," Nature, Nature, vol. 511(7508), pages 202-205, July.
    2. Marc Cheneau & Peter Barmettler & Dario Poletti & Manuel Endres & Peter Schauß & Takeshi Fukuhara & Christian Gross & Immanuel Bloch & Corinna Kollath & Stefan Kuhr, 2012. "Light-cone-like spreading of correlations in a quantum many-body system," Nature, Nature, vol. 481(7382), pages 484-487, January.
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