Nature Physics, Published online: 01 May 2025; doi:10.1038/s41567-025-02880-2
Synthetic dimensions allow photons and gauge fields to interact in photonic emulators. Now a study with fast-gain lasers shows that gain-driven coherence enables robust light flow in frequency space, establishing it as a viable platform for lattice emulation.
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- Collective quench dynamics of active photonic lattices in synthetic dimensions
- Experimental signature of layer skyrmions and implications for band topology in twisted WSe<sub>2</sub> bilayersNature Physics, Published online: 01 May 2025; doi:10.1038/s41567-025-02876-y Evidence is shown for a skyrmion-like texture in the layer polarization of the electronic wavefunctions of a twisted two-dimensional material. This provides support for theories that link this spatial texture to the topological properties.
- Thermopower reveals localized electronsNature Physics, Published online: 01 May 2025; doi:10.1038/s41567-025-02896-8 Thermopower measurements on magic-angle twisted bilayer graphene reveal strong electronic correlations and their contribution to entropy.
- Observation of Floquet–Bloch states in monolayer grapheneNature Physics, Published online: 01 May 2025; doi:10.1038/s41567-025-02888-8 Monolayer graphene has been long proposed as a candidate system for Floquet engineering. Time- and angle-resolved photoemission spectroscopy measurements now show the formation of Floquet–Bloch states in this material.
- Microscopic signatures of topology in twisted MoTe<sub>2</sub>Nature Physics, Published online: 01 May 2025; doi:10.1038/s41567-025-02877-x The topological properties of twisted bilayer MoTe2 are thought to stem from a spatial texture in the layer polarization of the electronic wavefunctions. This polarization is now measured using scanning tunnelling microscopy.
- Droplets beamed upNature Physics, Published online: 01 May 2025; doi:10.1038/s41567-025-02901-0 Droplets on hydrophilic surfaces spread out, forming films that are almost impossible to manipulate. It has now been shown that acoustic waves can trigger fluid motion within such droplets, making it possible to reshape and move them around in a controlled way.
- Anacondas get vertical on the groundNature Physics, Published online: 30 April 2025; doi:10.1038/s41567-025-02875-z Snake locomotion comes in many shapes. A mathematical model explains the non-planar S-start, where parts of the snake’s body lift off the ground.
- Storage-ring laser spectroscopy of accelerator-produced hydrogen-like <sup>208</sup>Bi<sup>82+</sup>Nature Physics, Published online: 28 April 2025; doi:10.1038/s41567-025-02885-x Hyperfine splitting was measured using the laser spectroscopy of accelerator-produced hydrogen-like bismuth ions. This demonstrates the feasibility of such measurements with other exotic ions with low production yields in a storage ring.
