Articles in 2018

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  • The Large Hadron Collider has completed its second data-taking period. For the next two years, the accelerator will shut down and the experiments will undergo major upgrades. Here’s a take on our past achievements — and a preview of the future.

    • Niels Tuning
  • A polariton is a hybrid excitation resulting from strong light–matter coupling. The magneto-transport measurements have now revealed the crucial role played by its electronic component.

    • Gian L. Paravicini-Bagliani
    • Felice Appugliese
    • Jérôme Faist
  • Artificial spin-ice materials are usually described by spins that are either up or down. Here, a new type of spin ice is fabricated where the spins can be in one of three states with different coexisting phases separated by a first-order transition.

    • Joseph Sklenar
    • Yuyang Lao
    • Peter Schiffer
  • A large-scale imaging study has tracked thousands of bacteria living in three-dimensional biofilms. This technical tour de force reveals the importance of mechanical interactions between cells for building local and global structure.

    • Jordi Garcia-Ojalvo
    News & Views
  • Single-cell tracking of up to 10,000 bacteria reveals the structure and dynamics of 3D biofilms—providing evidence to suggest that both local ordering and global biofilm architecture emerge from mechanical interactions.

    • Raimo Hartmann
    • Praveen K. Singh
    • Knut Drescher
  • This Review surveys recent efforts at understanding and characterizing generation of high harmonics from solid-state materials.

    • Shambhu Ghimire
    • David A. Reis
    Review Article
  • The solutions adopted by the high-energy physics community to foster reproducible research are examples of best practices that could be embraced more widely. This first experience suggests that reproducibility requires going beyond openness.

    • Xiaoli Chen
    • Sünje Dallmeier-Tiessen
    • Sebastian Neubert
    PerspectiveOpen Access
  • Electrons with fractional dimension have been observed in an artificial Sierpiński triangle, demonstrating their quantum fractal nature.

    • Dario Bercioux
    • Ainhoa Iñiguez
    News & Views
  • Large-scale numerical examination of a disordered Bose–Hubbard model in two dimensions shows entanglement based signature of many-body localization, providing answers to the challenging questions posed by recent experiments.

    • Thorsten B. Wahl
    • Arijeet Pal
    • Steven H. Simon
  • Electrons are confined to an artificial Sierpiński triangle. Microscopy measurements show that their wavefunctions become self-similar and their quantum properties inherit a non-integer dimension between 1 and 2.

    • S. N. Kempkes
    • M. R. Slot
    • C. Morais Smith
  • Using data from the IceCube telescope, a study presents the first attempt at obtaining geophysical information about Earth’s internal structure from the flux of neutrinos that pass through it.

    • Véronique Van Elewyck
    News & Views