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  • The superconducting critical temperature of monolayer materials is often lower than their bulk counterparts. Now, intercalation is shown to induce two-dimensional superconducting properties while maintaining the bulk critical temperature.

    • Haoxiong Zhang
    • Awabaikeli Rousuli
    • Shuyun Zhou
  • Cavitation refers to the emergence of bubbles from liquids undergoing pressure reduction. A hitherto unknown cavitation scenario is now reported, with bubbles originating from the atomically smooth interface between two immiscible liquids.

    • Patricia Pfeiffer
    • Meysam Shahrooz
    • Claus-Dieter Ohl
  • The quantum kicked rotor is a paradigmatic non-interacting model of quantum chaos and ergodicity breaking. An experiment with a kicked Bose–Einstein condensate now explores the influence of many-body interactions on the onset of quantum chaos.

    • Jun Hui See Toh
    • Katherine C. McCormick
    • Subhadeep Gupta
  • As laser action emerges from fluorescence, its emission wavelength lies within the fluorescence spectrum. Exploiting multiphonon processes can take the laser emission far beyond the spectral limits defined by a material’s intrinsic fluorescence.

    • Fei Liang
    • Cheng He
    • Yan-Feng Chen
  • Efficient interactions between two photons is a challenging requirement for quantum information processing. A quantum dot coupled to a waveguide produces strong interactions that can induce photon correlations and reshape two-photon wavepackets.

    • Hanna Le Jeannic
    • Alexey Tiranov
    • Peter Lodahl
  • In a plasma-based accelerator, the amplitude of the plasma wave is constrained by the wavebreaking limit. Experiments reveal features of the plasma waves at the point at which wavebreaking occurs.

    • Yang Wan
    • Omri Seemann
    • Victor Malka
  • The study of statistical correlations is central to the description of complex quantum objects. Measurements of density correlation functions of ultracold molecules are now possible through the realization of a molecular quantum gas microscope.

    • Jason S. Rosenberg
    • Lysander Christakis
    • Waseem S. Bakr
  • The isotropy of a spherical droplet’s surface causes uniform distribution of adsorbed molecules. However, wrapping the droplet by a crystalline monolayer induces structural defects, enabling temperature-controllable positioning of adsorbates.

    • Subhomoy Das
    • Alexander V. Butenko
    • Eli Sloutskin
  • The anomalous Hall effect can signify that a material has a spontaneous magnetic order. Now, twisted bilayer graphene shows this effect at half filling, suggesting that the ground state is valley-polarized.

    • Chun-Chih Tseng
    • Xuetao Ma
    • Matthew Yankowitz
  • Stacking monolayer WS2 on top of bilayer WSe2 creates conditions where electrons and holes can coexist in the structure. Their Coulomb interaction allows them to form bound pairs and hence an excitonic insulator state.

    • Dongxue Chen
    • Zhen Lian
    • Su-Fei Shi
  • Measurements of four different infinite-layer nickelates show that magnetic behaviour coexists with superconductivity. This is different from what is seen in cuprates, giving a strong distinction between the two classes of oxide superconductors.

    • Jennifer Fowlie
    • Marios Hadjimichael
    • Andreas Suter
  • Edge modes in chiral topological systems can carry quantum information without backscattering. A topological lattice of superconducting resonators has been coupled to a qubit, providing a platform for chiral quantum electrodynamics and communication.

    • John Clai Owens
    • Margaret G. Panetta
    • David I. Schuster