Artistic representation - Fast- and slow-light-enhanced light drag in a moving microcavity. Credit: T. Qin et al.

Fast- and slow-light-enhanced light drag in a moving microcavity

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    | Open Access

    By interfacing graphene with other materials it is possible to break the intrinsic inversion symmetry and observe interesting quantum transport phenomena. Here, the authors conduct transport measurements of encapsulated graphene at different alignment angles and find evidence of nonlocal resistance above and below 60 K suggesting the existence of a quantum valley Hall state.

    • Yang Li
    • , Mario Amado
    • , Timo Hyart
    • , Grzegorz. P. Mazur
    •  & Jason W. A. Robinson
  • Article
    | Open Access

    A wide variety of processes in nature and engineering ranging from rainfall and evaporation in soils to flow reversals in enhanced oil recovery and CO2 geosequestration exhibit hysteresis, multivaluedness, and memory in the imbibition/drainage cycles. Here, the authors investigate the origins of these phenomena by developing a model based on first principles that, by accounting for the impact of pore space microstructure, provides a link between microscopic capillary heterogeneity and large-scale hysteresis in pressure-saturation curves.

    • Ran Holtzman
    • , Marco Dentz
    • , Ramon Planet
    •  & Jordi Ortín
  • Article
    | Open Access

    The applicability of high-resolution mass measurements of optically trapped particles is currently limited by experimental constraints, with no access the lower picogram range. Here, the authors propose a broadly applicable optical balance to accurately weigh submicron aerosol droplets down to the picogram level.

    • Oliver Reich
    • , Grégory David
    • , Kιvanç Esat
    •  & Ruth Signorell
  • Article
    | Open Access

    A quantum phase transition describes a phase change that occurs at zero temperature and involves collective quantum interactions that are thought to be independent of the system’s boundaries. Here, the authors theoretically demonstrate a quantum phase transition in an antiferromagnetic 1D spin chain, which can occur if the chain is constrained to frustrated boundary conditions, and that is driven by changing the subdominant interaction from ferromagnetic to antiferromagnetic.

    • Vanja Marić
    • , Salvatore Marco Giampaolo
    •  & Fabio Franchini
  • Article
    | Open Access

    While first order phase transitions between incoherence and synchronization are critical for collective behavior in various oscillator system application, e.g., the brain and power grids, such transitions typically require finely tuned properties. In this work the authors show that first order phase transitions and bistability can emerge naturally as a consequence of the presence of higher-order interactions between oscillators.

    • Per Sebastian Skardal
    •  & Alex Arenas
  • Article
    | Open Access

    Precise electrical control of magnetic states in interacting nanomagnetic arrays is a requirement for these devices to be suitable for versatile low-power applications. Here, using simulations, the authors demonstrate reversible control of magnetic nanoislands using the current driven motion of a domain wall in an adjacent nanowire.

    • Jack C. Gartside
    • , Son G. Jung
    • , Seung Y. Yoo
    • , Daan M. Arroo
    • , Alex Vanstone
    • , Troy Dion
    • , Kilian D. Stenning
    •  & Will R. Branford
  • Article
    | Open Access

    Under extreme conditions, nonlinear lattice dynamics in a material can manifest and reveal unexpected properties. Here, using inelastic neutron scattering and first-principles calculations the authors find the presence of nonlinear travelling waves in a fluorite structured system, which exhibit characteristics different from regular phonons.

    • Matthew S. Bryan
    • , Lyuwen Fu
    • , Karl Rickert
    • , David Turner
    • , Timothy A. Prusnick
    • , J. Matthew Mann
    • , Douglas L. Abernathy
    • , Chris A. Marianetti
    •  & Michael E. Manley
  • Article
    | Open Access

    Theoretical descriptions of photonic networks become increasingly complex as nonlinear, multimode systems are considered. Here, a statistical approach to determining the optical entropy of complex photonic chain networks is presented.

    • Fan O. Wu
    • , Pawel S. Jung
    • , Midya Parto
    • , Mercedeh Khajavikhan
    •  & Demetrios N. Christodoulides


Editor's Highlights - <i>Communications Physics</i>

Matteo Passoni - doi: 10.1038/s42005-020-00400-7

Editor's Highlights - Communications Physics

To celebrate our second birthday, our editors have selected their preferred articles from 2019.

Elena Belsole

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