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Nonequilibrium charge-density-wave order beyond the thermal limit

Author

Listed:
  • J. Maklar

    (Fritz-Haber-Institut der Max-Planck-Gesellschaft)

  • Y. W. Windsor

    (Fritz-Haber-Institut der Max-Planck-Gesellschaft)

  • C. W. Nicholson

    (Fritz-Haber-Institut der Max-Planck-Gesellschaft
    University of Fribourg)

  • M. Puppin

    (Fritz-Haber-Institut der Max-Planck-Gesellschaft
    ISIC, Ecole Polytechnique Fédérale de Lausanne (EPFL))

  • P. Walmsley

    (Stanford University
    Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory)

  • V. Esposito

    (Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory
    Paul Scherrer Institut)

  • M. Porer

    (Paul Scherrer Institut)

  • J. Rittmann

    (Paul Scherrer Institut)

  • D. Leuenberger

    (University of Zürich)

  • M. Kubli

    (Institute for Quantum Electronics, Physics Department, ETH Zürich)

  • M. Savoini

    (Institute for Quantum Electronics, Physics Department, ETH Zürich)

  • E. Abreu

    (Institute for Quantum Electronics, Physics Department, ETH Zürich)

  • S. L. Johnson

    (Paul Scherrer Institut
    Institute for Quantum Electronics, Physics Department, ETH Zürich)

  • P. Beaud

    (Paul Scherrer Institut)

  • G. Ingold

    (Paul Scherrer Institut)

  • U. Staub

    (Paul Scherrer Institut)

  • I. R. Fisher

    (Stanford University
    Stanford Institute for Materials and Energy Sciences, SLAC National Accelerator Laboratory)

  • R. Ernstorfer

    (Fritz-Haber-Institut der Max-Planck-Gesellschaft)

  • M. Wolf

    (Fritz-Haber-Institut der Max-Planck-Gesellschaft)

  • L. Rettig

    (Fritz-Haber-Institut der Max-Planck-Gesellschaft)

Abstract

The interaction of many-body systems with intense light pulses may lead to novel emergent phenomena far from equilibrium. Recent discoveries, such as the optical enhancement of the critical temperature in certain superconductors and the photo-stabilization of hidden phases, have turned this field into an important research frontier. Here, we demonstrate nonthermal charge-density-wave (CDW) order at electronic temperatures far greater than the thermodynamic transition temperature. Using time- and angle-resolved photoemission spectroscopy and time-resolved X-ray diffraction, we investigate the electronic and structural order parameters of an ultrafast photoinduced CDW-to-metal transition. Tracking the dynamical CDW recovery as a function of electronic temperature reveals a behaviour markedly different from equilibrium, which we attribute to the suppression of lattice fluctuations in the transient nonthermal phonon distribution. A complete description of the system’s coherent and incoherent order-parameter dynamics is given by a time-dependent Ginzburg-Landau framework, providing access to the transient potential energy surfaces.

Suggested Citation

  • J. Maklar & Y. W. Windsor & C. W. Nicholson & M. Puppin & P. Walmsley & V. Esposito & M. Porer & J. Rittmann & D. Leuenberger & M. Kubli & M. Savoini & E. Abreu & S. L. Johnson & P. Beaud & G. Ingold , 2021. "Nonequilibrium charge-density-wave order beyond the thermal limit," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-22778-w
    DOI: 10.1038/s41467-021-22778-w
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    Cited by:

    1. Geoffroy Kremer & Julian Maklar & Laurent Nicolaï & Christopher W. Nicholson & Changming Yue & Caio Silva & Philipp Werner & J. Hugo Dil & Juraj Krempaský & Gunther Springholz & Ralph Ernstorfer & Jan, 2022. "Field-induced ultrafast modulation of Rashba coupling at room temperature in ferroelectric α-GeTe(111)," Nature Communications, Nature, vol. 13(1), pages 1-6, December.
    2. Dohyun Kim & Eui-Cheol Shin & Yongjoon Lee & Young Hee Lee & Mali Zhao & Yong-Hyun Kim & Heejun Yang, 2022. "Atomic-scale thermopower in charge density wave states," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    3. Nguyen Nhat Quyen & Wen-Yen Tzeng & Chih-En Hsu & I-An Lin & Wan-Hsin Chen & Hao-Hsiang Jia & Sheng-Chiao Wang & Cheng-En Liu & Yu-Sheng Chen & Wei-Liang Chen & Ta-Lei Chou & I-Ta Wang & Chia-Nung Kuo, 2024. "Three-dimensional ultrafast charge-density-wave dynamics in CuTe," Nature Communications, Nature, vol. 15(1), pages 1-9, December.

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