CUNY ASRC physicists report in Nature Physics that waves bouncing in an irregular hyperbolic cavity settle into stable closed loops. The test used mechanical vibrations, so steering light and radio this way is still a proposal.
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Duke-led physicists used 13 trapped ions to reproduce string breaking, in which a stretched bond between particles snaps and new pairs form. Two other teams saw similar physics on other hardware, though at this size any payoff for particle physics is still a forecast.
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Physicists at Stanford, the University of Chicago and SLAC let one superconducting qubit address seven memory cells, at about 1.2% error per access. The tests measured access error, much of it from crosstalk between cells, so the promised cut in wiring per qubit is still a design argument.
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Max Planck researchers drove type-II superconductors past their DC critical current by applying current for only a few picoseconds. Vortices barely move in that time, so the pulses probe an intrinsic depairing limit that steady currents struggle to reach.
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String-breaking, the moment a stretched bond between two building blocks of matter snaps and new particles appear, has now been observed on a trapped-ion quantum simulator at Duke. Two other groups saw it on different hardware.
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Standard active nematic theory sends paired defects along straight, mirrored lines. A Ben-Gurion-led team reports in Nature Physics that it measured curved, co-rotating paths in swarming bacteria and in human bronchial cells.
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A group at the University of Science and Technology of China combined quantum measurement with relativity's speed limit to test where a device claimed to be, and pinned it to a 74.3-meter stretch between two stations.
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Adilson Motter's group has published a framework in Science for the conditions under which differences between a network's parts stabilise the whole, an effect that appears only where each node's own dynamics are rich enough.
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Researchers at four institutions report in Nature Physics that 1,550-nm circular pulses dress a graphene strip into a transient Floquet state, and a 775-nm field sets the direction of the current that flows out.
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ETH Zurich and PSI report in Nature Physics that antimuons stopped in a film of superfluid helium near absolute zero come out as muonium atoms at similar speeds and almost parallel, the beam quality a free-fall measurement needs.
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A Max Planck group let polar and nonpolar drops slide across surfaces in both liquid and frozen states. Charging turned up in every case, including the ones where the standard ion-exchange model leaves almost nothing to transfer.
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The equivalence principle has only ever been checked on first-generation matter. Anna Soter's group reports in Nature Physics a muonium source whose atoms leave the liquid at similar speeds, the condition a free-fall measurement needs.
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A Nature Physics measurement lands on the temperature models had already predicted, so the older laboratory numbers were the outliers. The same shots saw no intermediate solid carbon phase before the diamond went liquid.
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A corrected melting curve for carbon is the real product here. It does double duty, governing where diamond turns liquid inside Neptune and how hard a fusion capsule should be hit on the first shock.
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Electrons frozen into a lattice inside a tungsten diselenide monolayer turn out to vibrate, and the light used to look at them comes back carrying those vibrations. That makes the ordered phase something an optical bench can measure.
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A German-Swiss team images every magnon direction at once in as little as 30 seconds, at drive powers a thousand times below earlier X-ray methods. Their first result already outruns standard theory.
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A Nature Physics team measured the superconducting gap of strained La3Ni2O7 films without a pressure cell. The result points away from cuprate-style d-wave pairing, and moves the bottleneck to growth.
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LLNL says its Nature Physics measurement reconciles diamond melting data with quantum simulations, and that applying it to inertial-confinement fusion could triple energy gain.
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MIT physicists report that two charge density waves in erbium tritelluride form by different mechanisms: one gradual, one nucleating in expanding pockets. Coexisting phases are not one knob.
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A group reports in Nature Physics that selenium core-level dynamics in 1T-TiSe2 speed up with laser fluence. The result that matters is the assay, not a verdict on excitonic insulators.
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