Nature Physics, Published online: 16 April 2026; doi:10.1038/s41567-026-03249-9
The core question
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Updated: daily
- The core question
- Loop-current order in kagome metalsNature Physics, Published online: 16 April 2026; doi:10.1038/s41567-026-03229-z Loop-current states represent a rare magnetic order driven by orbital motion, rather than by spin. This Perspective examines their symmetry, microscopic origins, detection challenges and interplay with other orders in kagome superconductors.
- Laser-focused on precisionNature Physics, Published online: 16 April 2026; doi:10.1038/s41567-026-03278-4 The advent of the laser transformed spectroscopy into a tool for precision measurements across scales, from nuclei to stars. In this Editorial we reflect on its far-reaching influence.
- Efficient thermalization and universal quantum computing with quantum Gibbs samplersNature Physics, Published online: 15 April 2026; doi:10.1038/s41567-026-03246-y Quantum simulation of equilibrium many-body systems requires the ability to sample from the thermal distribution of quantum states. An algorithm has now been proven to be an appropriate quantum analogue to classical Monte Carlo methods.
- Photoengineering the magnon spectrum in an insulating antiferromagnetNature Physics, Published online: 14 April 2026; doi:10.1038/s41567-026-03230-6 Controlling the dynamics of magnons at terahertz frequencies is important for fast and efficient information processing devices. Now optical excitation is shown to enable ultrafast manipulation of magnon spectra in an insulating antiferromagnet.
- Intrinsic phononic dressed states in a nanomechanical systemNature Physics, Published online: 14 April 2026; doi:10.1038/s41567-026-03225-3 Exploiting the differences between quantum and classical physics typically requires nonlinear devices. Quantum nonlinear effects have now been demonstrated in a nanomechanical resonator due to strong coupling with an intrinsic two-level defect.
- Capillary Leidenfrost effectNature Physics, Published online: 14 April 2026; doi:10.1038/s41567-026-03255-x If a surface is hot enough, a liquid droplet can develop an insulating vapour layer that makes it levitate above the surface, which is known as the Leidenfrost effect. A solid structure of liquid-filled capillaries is now shown to display this levitating effect at much lower temperatures.
- Lifetime of the singly charged <sup>229</sup>Th nuclear isomerNature Physics, Published online: 14 April 2026; doi:10.1038/s41567-026-03251-1 The isomeric state of thorium-229, a candidate for nuclear clocks, can decay through internal conversion and radiative decays. Now experiments suggest indirect evidence for a higher-order decay process through an electronic transition.
