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Emergent hydrodynamics in a strongly interacting dipolar spin ensemble

Author

Listed:
  • C. Zu

    (University of California
    Lawrence Berkeley National Laboratory)

  • F. Machado

    (University of California
    Lawrence Berkeley National Laboratory)

  • B. Ye

    (University of California)

  • S. Choi

    (University of California)

  • B. Kobrin

    (University of California
    Lawrence Berkeley National Laboratory)

  • T. Mittiga

    (University of California
    Lawrence Berkeley National Laboratory)

  • S. Hsieh

    (University of California
    Lawrence Berkeley National Laboratory)

  • P. Bhattacharyya

    (University of California
    Lawrence Berkeley National Laboratory)

  • M. Markham

    (Element Six)

  • D. Twitchen

    (Element Six)

  • A. Jarmola

    (University of California
    US Army Research Laboratory)

  • D. Budker

    (University of California
    Johannes Gutenberg Universitat Mainz)

  • C. R. Laumann

    (Boston University)

  • J. E. Moore

    (University of California
    Lawrence Berkeley National Laboratory)

  • N. Y. Yao

    (University of California
    Lawrence Berkeley National Laboratory)

Abstract

Conventional wisdom holds that macroscopic classical phenomena naturally emerge from microscopic quantum laws1–7. However, despite this mantra, building direct connections between these two descriptions has remained an enduring scientific challenge. In particular, it is difficult to quantitatively predict the emergent ‘classical’ properties of a system (for example, diffusivity, viscosity and compressibility) from a generic microscopic quantum Hamiltonian7–14. Here we introduce a hybrid solid-state spin platform, where the underlying disordered, dipolar quantum Hamiltonian gives rise to the emergence of unconventional spin diffusion at nanometre length scales. In particular, the combination of positional disorder and on-site random fields leads to diffusive dynamics that are Fickian yet non-Gaussian15–20. Finally, by tuning the underlying parameters within the spin Hamiltonian via a combination of static and driven fields, we demonstrate direct control over the emergent spin diffusion coefficient. Our work enables the investigation of hydrodynamics in many-body quantum spin systems.

Suggested Citation

  • C. Zu & F. Machado & B. Ye & S. Choi & B. Kobrin & T. Mittiga & S. Hsieh & P. Bhattacharyya & M. Markham & D. Twitchen & A. Jarmola & D. Budker & C. R. Laumann & J. E. Moore & N. Y. Yao, 2021. "Emergent hydrodynamics in a strongly interacting dipolar spin ensemble," Nature, Nature, vol. 597(7874), pages 45-50, September.
  • Handle: RePEc:nat:nature:v:597:y:2021:i:7874:d:10.1038_s41586-021-03763-1
    DOI: 10.1038/s41586-021-03763-1
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    Cited by:

    1. Liying Xu & Jiadi Zhu & Bing Chen & Zhen Yang & Keqin Liu & Bingjie Dang & Teng Zhang & Yuchao Yang & Ru Huang, 2022. "A distributed nanocluster based multi-agent evolutionary network," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    2. Ruotian Gong & Xinyi Du & Eli Janzen & Vincent Liu & Zhongyuan Liu & Guanghui He & Bingtian Ye & Tongcang Li & Norman Y. Yao & James H. Edgar & Erik A. Henriksen & Chong Zu, 2024. "Isotope engineering for spin defects in van der Waals materials," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    3. Sam C. Scholten & Priya Singh & Alexander J. Healey & Islay O. Robertson & Galya Haim & Cheng Tan & David A. Broadway & Lan Wang & Hiroshi Abe & Takeshi Ohshima & Mehran Kianinia & Philipp Reineck & I, 2024. "Multi-species optically addressable spin defects in a van der Waals material," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    4. Ruotian Gong & Guanghui He & Xingyu Gao & Peng Ju & Zhongyuan Liu & Bingtian Ye & Erik A. Henriksen & Tongcang Li & Chong Zu, 2023. "Coherent dynamics of strongly interacting electronic spin defects in hexagonal boron nitride," Nature Communications, Nature, vol. 14(1), pages 1-10, December.

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