Nature Physics, Published online: 13 January 2025; doi:10.1038/s41567-024-02720-9
In classical hydrodynamics, Kelvin waves refer to helically vibrating normal modes. Experiments now show that quantum analogues of Kelvin waves can be excited in superfluid helium-4.
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- Direct excitation of Kelvin waves on quantized vortices
- Interaction-driven breakdown of Aharonov–Bohm caging in flat-band Rydberg latticesNature Physics, Published online: 10 January 2025; doi:10.1038/s41567-024-02714-7 The effect of strong interactions on the physics hosted by flat bands remains largely unexplored in atomic systems. An experiment in a synthetic flat-band lattice now demonstrates an interaction-driven transition from localization to delocalization.
- A link between anomalous viscous loss and the boson peak in soft jammed solidsNature Physics, Published online: 10 January 2025; doi:10.1038/s41567-024-02722-7 The viscoelastic response of emulsions shows an anomalous loss. This effect is now shown to be related to the boson peak, a universal vibrational feature of amorphous solids.
- Energetic ions influence the plasma edgeNature Physics, Published online: 09 January 2025; doi:10.1038/s41567-024-02737-0 Energetic ions in nuclear fusion devices influence the behaviour of modes at the plasma edge, potentially increasing the risk for particle losses and damage to the device. This introduces additional challenges for the development of fusion reactors.
- Controlling few-body reaction pathways using a Feshbach resonanceNature Physics, Published online: 09 January 2025; doi:10.1038/s41567-024-02726-3 Coherent control of chemical reactions is a central theme in quantum chemistry. Now, a cold atom experiment demonstrates a method for steering the outcome of three-body recombination processes using a tunable Feshbach resonance.
- Thermally driven quantum refrigerator autonomously resets a superconducting qubitNature Physics, Published online: 09 January 2025; doi:10.1038/s41567-024-02708-5 Resetting qubits in a quantum computer requires significant hardware resources. Now, an experiment demonstrates an on-chip quantum refrigerator that uses a thermal gradient to reset a superconducting qubit more effectively than conventional methods.
- Dynamic forces shape the survival fate of eliminated cellsNature Physics, Published online: 08 January 2025; doi:10.1038/s41567-024-02716-5 Tissues eliminate unwanted cells through cell extrusion, but the factors determining whether these extuded cells live or die are not fully understood. Now force transmission across adherens junctions is shown to have a role in shaping their fate.
- Spin-wave-mediated mutual synchronization and phase tuning in spin Hall nano-oscillatorsNature Physics, Published online: 08 January 2025; doi:10.1038/s41567-024-02728-1 Phase tuning of propagating spin waves is a crucial step in the development of devices based on magnons, which are the quanta of spin waves. Now, this has been demonstrated in a device comprising two spin Hall nano-oscillators.
