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  • Topologically protected hinge modes could be important for developing quantum devices, but electronic transport through those states has not been demonstrated. Now quantum transport has been shown in gapless topological hinge states.

    • Md Shafayat Hossain
    • Qi Zhang
    • M. Zahid Hasan
  • Ageing is a non-linear, irreversible process that defines many properties of glassy materials. Now, it is shown that the so-called material-time formalism can describe ageing in terms of equilibrium-like properties.

    • Beatrice Ruta
    • Daniele Cangialosi
    News & Views
  • Interacting emitters are the fundamental building blocks of quantum optics and quantum information devices. Pairs of organic molecules embedded in a crystal can become permanently strongly interacting when they are pumped with intense laser light.

    • Stuart J. Masson
    News & Views
  • Some quantum acoustic resonators possess a large number of phonon modes at different frequencies. Direct interactions between modes similar to those available for photonic devices have now been demonstrated. This enables manipulation of multimode states.

    • Audrey Bienfait
    News & Views
  • Despite the essential support they provide to successful research projects, the contributions of laboratory technicians often remain undervalued. We take a moment to appreciate their efforts.

  • Adaptive optics allows scientists to correct for distortions of an image caused by the scattering of light. Anita Chandran illuminates the nature of the technique.

    • Anita Mary Chandran
    Measure for Measure
  • The integration of theory and experiment makes possible tracking the slow evolution of a photodoped Mott insulator to a distinct non-equilibrium metallic phase under the influence of electron-lattice coupling.

    • Denitsa R. Baykusheva
    News & Views
  • The standard current–phase relation in tunnel Josephson junctions involves a single sinusoidal term, but real junctions are more complicated. The effects of higher Josephson harmonics have now been identified in superconducting qubit devices.

    • Dennis Willsch
    • Dennis Rieger
    • Ioan M. Pop
    ArticleOpen Access
  • Quantum simulators can provide new insights into the complicated dynamics of quantum many-body systems far from equilibrium. A recent experiment reveals that underlying symmetries dictate the nature of universal scaling dynamics.

    • Maximilian Prüfer
    News & Views
  • Some cerium and uranium compounds exhibit unusual transport properties due to localized electron states. Recent experiments demonstrate that quantum interference on frustrated lattices provides an alternative route to this behaviour.

    • William R. Meier
    News & Views
  • It has long been predicted that spin-1/2 antiferromagnets on the kagome lattice should feature a series of plateaus in the change of its magnetization under an applied magnetic field. A quantum plateau of this kind has now been observed experimentally.

    • Gia-Wei Chern
    News & Views
  • The existence of Bragg glasses—featuring nearly perfect crystalline order and glassy features—has yet to be experimentally confirmed for disordered charge-density-wave systems. A machine-learning-based experimental study now provides evidence for a Bragg glass phase in the charge density waves of PdxErTe3.

    • Krishnanand Mallayya
    • Joshua Straquadine
    • Eun-Ah Kim
    ArticleOpen Access