Articles in 2024

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  • Multi-step transitions between a variety of topological spin textures have been unveiled in a centrosymmetric magnet, which may enable efficient multistate memory and logic devices.

    • Jayjit Kumar Dey
    • Sujit Das
    News & Views
  • Supracellular cues play a key role in directing collective cell migration in processes such as wound healing and cancer invasion. New findings emphasize the importance of all length scales of the microenvironment in shaping cell migration patterns.

    • Mathilde Lacroix
    • Bart Smeets
    • Pascal Silberzan
    Article
  • The sign of the Casimir force depends on the electric permittivities and the magnetic permeabilities of the materials involved. For a gold sphere immersed in a ferrofluid, tuneability of the Casimir force by means of a magnetic field is now shown.

    • Yichi Zhang
    • Hui Zhang
    • Changgan Zeng
    Article
  • A clear picture of how and why cells inevitably lose viability is still lacking. A dynamical systems view of starving bacteria points to a continuous energy expenditure needed for maintaining the right osmotic pressure as an important factor.

    • Ann Xu
    • Hyun Youk
    News & Views
  • Ultrafast light pulses, if they are sufficiently intense, can induce phase transitions on ultrafast timescales. It is now shown that when a system is first excited by a weak preparatory pulse, this generates local changes in structure that transiently lower the energy barrier to the phase transition, enabling high-speed and energy-efficient transitions.

    Research Briefing
  • A single light-emitting dye molecule precisely placed within the tiny gap of a metal nanodimer boosts light–matter coupling — a step closer to the development of quantum devices operating at room temperature.

    • Rohit Chikkaraddy
    News & Views
  • Social activities are common in many research groups, often based around outdoor activities such as hiking. We argue that there are more inclusive ways to bring a team together.

    Editorial
  • UNESCO has now formally adopted World Metrology Day as a UNESCO International Day to be observed on 20 May each year — the theme of 2024 is sustainability. Shanay Rab and Richard Brown take a look at its origin.

    • Shanay Rab
    • Richard J. C. Brown
    Measure for Measure
  • Ultracold atoms are a well-established platform for quantum sensing and metrology. This Review discusses the enhanced sensing capabilities that molecules offer for a range of phenomena, including symmetry-violating forces and dark matter detection.

    • David DeMille
    • Nicholas R. Hutzler
    • Tanya Zelevinsky
    Review Article
  • Molecular ions and hybrid platforms that integrate cold trapped ions and neutral particles offer opportunities for many quantum technologies. This Review surveys recent methodological advances and highlights in the study of cold molecular ions.

    • Markus Deiß
    • Stefan Willitsch
    • Johannes Hecker Denschlag
    Review Article
  • Ultracold molecules and ion–neutral systems offer unique access to chemistry in a coherent quantum regime. This Review charts the progress of studies of quantum chemistry in such platforms, highlighting the synergy between theory and experiments.

    • Tijs Karman
    • Michał Tomza
    • Jesús Pérez-Ríos
    Review Article