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Showing 1–7 of 7 results
Advanced filters: Author: J. Béard Clear advanced filters

  • Mass outflow is a common process in astrophysical objects. Here the authors investigate in which conditions an astrophysically-scaled laser-produced plasma flow can be collimated and evolves in the presence of a misaligned external magnetic field.

    • G. Revet
    • B. Khiar
    • J. Fuchs
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • The strongly-correlated electron system URu2Si2 possesses a hidden-order phase whose order parameter remains unidentified. Here, the authors demonstrate the development of spin-density-wave phases in URu2Si2under high magnetic fields, providing a potential in-road to understanding this system.

    • W. Knafo
    • F. Duc
    • L.-P. Regnault
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7

  • Fully mapping the Fermi surface of a compound provides a clear picture of its fundamental properties. Through thermoelectric measurements of the underdoped cuprate YBa2Cu3Oy, this study shows evidence for a second Fermi pocket, consistent with charge–density–wave Fermi surface reconstruction.

    • N. Doiron-Leyraud
    • S. Badoux
    • C. Proust
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-7

  • Low-temperature measurements of the Hall effect in cuprate materials in which superconductivity is suppressed by high magnetic fields show that the pseudogap is not related to the charge ordering that has been seen at intermediate doping levels, but is instead linked to the antiferromagnetic Mott insulator at low doping.

    • S. Badoux
    • W. Tabis
    • Cyril Proust
    Research
    Nature
    Volume: 531, P: 210-214

  • Ion production and acceleration is ubiquitous in astrophysical objects but many questions still remain on the mechanisms at play and while laboratory plasmas provide an “accessible” regime, non-thermal ion acceleration has not been observed in the laboratory before the advent of high-power lasers. The authors collide two relativistic plasma flows and observe large energy difference of the protons coming out of the interaction region with or without an external magnetic field, qualitatively corroborating their 1D and 2D particle-in-cell simulations.

    • D. P. Higginson
    • Ph. Korneev
    • J. Fuchs
    ResearchOpen Access
    Communications Physics
    Volume: 2, P: 1-7