Nature Physics, Published online: 25 February 2026; doi:10.1038/s41567-026-03187-6
Quantum fluctuations have been detected in a macroscopic, millimole-scale solid-state spin ensemble without the use of external excitations, enabling non-invasive quantum sensing techniques.
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Updated: daily
- Quantum-limited metrology of macroscopic spin ensembles
- Sensing with discrete time crystalsNature Physics, Published online: 23 February 2026; doi:10.1038/s41567-025-03163-6 It is shown that an a.c. field exponentially extends the lifetime of a prethermal time crystal realized with nuclear spins in diamond, enabling a narrowband detection of magnetic fields.
- A crowd of marine embryos self-assembles into a living solidNature Physics, Published online: 23 February 2026; doi:10.1038/s41567-026-03190-x Marine embryos are usually studied in isolation. But when starfish embryos are in a crowd, they self-assemble into living solids with unexpected dynamics, revealing how simple organisms can help understand physics far from equilibrium.
- Fatigue failure in glasses under cyclic shear deformationNature Physics, Published online: 20 February 2026; doi:10.1038/s41567-026-03174-x Fatigue failure refers to a material’s loss of rigidity after repeated application of stress or deformation. Simulations of model glasses now show that failure times display a power-law divergence and a strong dependence on annealing.
- Suppression and enhancement of bosonic stimulation by atomic interactionsNature Physics, Published online: 20 February 2026; doi:10.1038/s41567-025-03155-6 Bosonic bunching of non-interacting atoms enhances atom–light scattering. An experiment now shows that attractive atomic interactions enhance this scattering further, while repulsive ones can completely suppress bosonic stimulation.
- How light scattering loses its boostNature Physics, Published online: 20 February 2026; doi:10.1038/s41567-025-03156-5 In a Bose–Einstein condensate, bosonic stimulation enhances light scattering. An experiment now reveals that interatomic interactions diminish this effect, offering a probe of quantum correlations.
- Statistical localization of <i>U</i>(1) lattice gauge theory in a Rydberg simulatorNature Physics, Published online: 18 February 2026; doi:10.1038/s41567-026-03183-w Lattice gauge theories with non-local conservation laws are expected to thermalize locally. Using a Rydberg simulator, it is now shown that most charge patterns can remain effectively frozen, a phenomenon known as statistical localization.
- An exciton crystal in a moiré excitonic insulatorNature Physics, Published online: 18 February 2026; doi:10.1038/s41567-026-03184-9 The formation of exciton crystals is challenging because excitons possess short lifetimes and exhibit weaker interactions than electrons. Now, an exciton Wigner crystal is observed in a moiré electron–hole bilayer.
