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Dissipative Landau-Zener tunneling in the crossover regime from weak to strong environment coupling

Author

Listed:
  • X. Dai

    (University of Waterloo
    University of Waterloo)

  • R. Trappen

    (University of Waterloo
    University of Waterloo)

  • H. Chen

    (University of Southern California
    University of Southern California)

  • D. Melanson

    (University of Waterloo
    University of Waterloo)

  • M. A. Yurtalan

    (University of Waterloo
    University of Waterloo
    University of Waterloo)

  • D. M. Tennant

    (University of Waterloo
    University of Waterloo)

  • A. J. Martinez

    (University of Waterloo
    University of Waterloo)

  • Y. Tang

    (University of Waterloo
    University of Waterloo)

  • E. Mozgunov

    (University of Southern California—Information Sciences Institute)

  • J. Gibson

    (Northrop Grumman Corporation
    Dartmouth College)

  • J. A. Grover

    (Northrop Grumman Corporation
    Massachusetts Institute of Technology)

  • S. M. Disseler

    (Northrop Grumman Corporation
    Massachusetts Institute of Technology)

  • J. I. Basham

    (Northrop Grumman Corporation
    QuEra Computing Inc.)

  • S. Novikov

    (Northrop Grumman Corporation
    Atlantic Quantum Corp.)

  • R. Das

    (Massachusetts Institute of Technology)

  • A. J. Melville

    (Massachusetts Institute of Technology)

  • B. M. Niedzielski

    (Massachusetts Institute of Technology)

  • C. F. Hirjibehedin

    (Massachusetts Institute of Technology)

  • K. Serniak

    (Massachusetts Institute of Technology)

  • S. J. Weber

    (Massachusetts Institute of Technology)

  • J. L. Yoder

    (Massachusetts Institute of Technology)

  • W. D. Oliver

    (Massachusetts Institute of Technology
    Massachusetts Institute of Technology)

  • K. M. Zick

    (University of Southern California—Information Sciences Institute
    Northrop Grumman Corporation)

  • D. A. Lidar

    (University of Southern California
    University of Southern California
    University of Southern California
    University of Southern California)

  • A. Lupascu

    (University of Waterloo
    University of Waterloo
    University of Waterloo)

Abstract

Landau-Zener tunneling, which describes the transition in a two-level system during a sweep through an anti-crossing, is a model applicable to a wide range of physical phenomena. Realistic quantum systems are affected by dissipation due to coupling to their environments. An important aspect of understanding such open quantum systems is the relative energy scales of the system itself and the system-environment coupling, which distinguishes the weak- and strong-coupling regimes. Using a tunable superconducting flux qubit, we observe the crossover from weak to strong coupling to the environment in Landau-Zener tunneling. Our results confirm previous theoretical studies of dissipative Landau-Zener tunneling in the weak and strong coupling limits. We devise a spin bath model that effectively captures the crossover regime. This work is relevant for understanding the role of dissipation in quantum annealing, where the system is expected to go through a cascade of Landau-Zener transitions before reaching the target state.

Suggested Citation

  • X. Dai & R. Trappen & H. Chen & D. Melanson & M. A. Yurtalan & D. M. Tennant & A. J. Martinez & Y. Tang & E. Mozgunov & J. Gibson & J. A. Grover & S. M. Disseler & J. I. Basham & S. Novikov & R. Das &, 2025. "Dissipative Landau-Zener tunneling in the crossover regime from weak to strong environment coupling," Nature Communications, Nature, vol. 16(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-024-55588-x
    DOI: 10.1038/s41467-024-55588-x
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    References listed on IDEAS

    as
    1. Andrew D. King & Jack Raymond & Trevor Lanting & Richard Harris & Alex Zucca & Fabio Altomare & Andrew J. Berkley & Kelly Boothby & Sara Ejtemaee & Colin Enderud & Emile Hoskinson & Shuiyuan Huang & E, 2023. "Quantum critical dynamics in a 5,000-qubit programmable spin glass," Nature, Nature, vol. 617(7959), pages 61-66, May.
    2. Sergio Boixo & Vadim N. Smelyanskiy & Alireza Shabani & Sergei V. Isakov & Mark Dykman & Vasil S. Denchev & Mohammad H. Amin & Anatoly Yu Smirnov & Masoud Mohseni & Hartmut Neven, 2016. "Computational multiqubit tunnelling in programmable quantum annealers," Nature Communications, Nature, vol. 7(1), pages 1-7, April.
    3. Guang Yuan Zhu & Yi Qin & Miao Meng & Suman Mallick & Hang Gao & Xiaoli Chen & Tao Cheng & Ying Ning Tan & Xuan Xiao & Mei Juan Han & Mei Fang Sun & Chun Y. Liu, 2021. "Author Correction: Crossover between the adiabatic and nonadiabatic electron transfer limits in the Landau-Zener model," Nature Communications, Nature, vol. 12(1), pages 1-1, December.
    4. Anurag Mishra & Tameem Albash & Daniel A. Lidar, 2018. "Finite temperature quantum annealing solving exponentially small gap problem with non-monotonic success probability," Nature Communications, Nature, vol. 9(1), pages 1-8, December.
    5. Guang Yuan Zhu & Yi Qin & Miao Meng & Suman Mallick & Hang Gao & Xiaoli Chen & Tao Cheng & Ying Ning Tan & Xuan Xiao & Mei Juan Han & Mei Fang Sun & Chun Y. Liu, 2021. "Crossover between the adiabatic and nonadiabatic electron transfer limits in the Landau-Zener model," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
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