Ultrathin complex oxide nanomechanical resonators

  • D. Davidovikj
  • D. J. Groenendijk
  • P. G. Steeneken


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    Dr Capan provided excellent and constructive advice on the assessments provided by the other reviewers which was crucial in helping the editors reach a final decision. This help was provided even after her own assessment of the manuscript had concluded.


  • Magnons are oscillating magnetic waves that can be engineered using nanoscale structures and are expected to have useful applications in future information processing and storage devices. Here, the authors investigate magnetic superradiance as a possible mechanism limiting the lifetime of the magnonic excitations in thin films.

    • Lukas Weymann
    • Alexey Shuvaev
    • Dávid Szaller
    Article Open Access
  • Wigner’s friend is a thought experiment in theoretical quantum physics that challenges our understanding of quantum theory. The authors present a no-go theorem constraining the structure of probabilities in such a thought experiment and analyze the validity of the three particular assumptions according to various interpretations of quantum mechanics.

    • Philippe Allard Guérin
    • Veronika Baumann
    • Časlav Brukner
    Article Open Access
  • Understanding self-guiding propagation of laser filaments relies on understanding of the fundamental light-matter interactions, and the optical properties of the plasma. The authors experimentally and theoretically study wavelength scaling of the electron collision time in filament-produced plasma using 1.2-2.3 micrometers and demonstrate an anomalous regime of plasma defocusing in solids.

    • Garima C. Nagar
    • Dennis Dempsey
    • Bonggu Shim
    Article Open Access
  • Cooling a mechanical oscillator to its ground state underpins many applications ranging from ultra-precise sensing to quantum information processing. The authors propose a new scheme that addresses the problem of the simultaneous cooling of many mechanical resonators with nearby frequencies.

    • Muhammad Tahir Naseem
    • Özgür E. Müstecaplıoğlu
    Article Open Access
  • An impurity introduced to a many-body quantum environment gets dressed by excitations and it is of a particular interest to understand the limits of the quasi-particle description. The authors theoretically and numerically study an ionic impurity immersed in a weakly interacting gas of bosonic atoms and demonstrate the existence of two main phases of a polaronic regime for weak interactions, and a strongly correlated state with many bosons bound to the ion.

    • Grigory E. Astrakharchik
    • Luis A. Peña Ardila
    • Antonio Negretti
    Article Open Access
  • Emergent collective behaviour has recently been addressed in systems of self-rotating particles, where motion, in particular, is an emergent phenomenon rather than a basic ingredient. Here, the authors derive a continuum model for mixtures of clockwise and counterclockwise Quincke spinners, demonstrating the emergence of same-spin phase separation, traffic lanes, sustained turbulent-like motion, and a chirality breaking transition depending on the fluid inertia of the system.

    • Cody J. Reeves
    • Igor S. Aranson
    • Petia M. Vlahovska
    Article Open Access
  • Due to a combination of strong spin orbit coupling and electron correlations iridates such as Sr2IrO4 exhibit a range of exotic quantum states that can be tuned via their electronic and magnetic properties. Here, the authors investigate the resistive and Raman scattering properties of Co-doped Sr2IrO4 and provide evidence for quantum critical fluctuations in the system.

    • Kousik Samanta
    • Jean C. Souza
    • Eduardo Granado
    Article Open Access

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