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ALT Scientific figure. Panel (a) shows a simple model of the vortex-tangle decay over time, proceeding from left to right as a series of four cylindrical containers. The containers represent the geometry of the paper’s optical box trap, with purple dots and lines visualizing the quantum turbulence, which gradually dissipates over time. Panel (b) displays a schematic of the paper’s experimental setup. On the left, a small cylinder represents the optical box trap from panel (a). The next step magnifies the cylinder, and shows the taking of a “slice” visualized by an orange rectangle running through the middle. This slice produces the experimental observations, shown on the right as 2D images of the quantum turbulence as well as a numerical simulation. The images are labelled with a color scale bar, ranging from dark blue for the lowest values to white for the highest values.
ALT Illustration of an experiment that shows a vessel of supercooled potassium atoms on the left, a snapshot being taken at one time point in the center, and the resulting photograph on the right.
ALT Illustration of a specific crystal form of tantalum nitride.
ALT Against a dark, star-filled space background, a glowing blue ring surrounds a large white "15" at the center, marking the journal's 15th anniversary. Five illustrated research topics are arranged around the ring: a colorful visualization labeled "Diffusive hydrodynamics" at upper left; a 3D lattice of black spheres labeled "Gravitational waves" at upper center; layered blue panels with red particles and upward arrows labeled "Fractional quantum hall effect" at right; intersecting blue and gold light beams labeled "Neutral atom arrays" at lower left; and a cluster of blue and gold spheres labeled "Active colloids" at bottom center.