Nature Physics, Published online: 19 February 2025; doi:10.1038/s41567-024-02757-w
Higher-order interactions reveal new aspects of the interplay between topology and dynamics in complex systems. This Perspective describes the emerging field of higher-order topological dynamics and discusses the open research questions in the area.
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- Topology shapes dynamics of higher-order networks
- Wideband electric field quantum sensing via motional Raman transitionsNature Physics, Published online: 18 February 2025; doi:10.1038/s41567-024-02753-0 The narrow frequency response of quantum harmonic oscillators typically limits their application in radiofrequency electric field detection. Now motional Raman transitions in trapped ions are shown to enable wideband, high-precision radiofrequency field sensing.
- Author Correction: Magnetic flux trapping in hydrogen-rich high-temperature superconductorsNature Physics, Published online: 18 February 2025; doi:10.1038/s41567-025-02823-x Author Correction: Magnetic flux trapping in hydrogen-rich high-temperature superconductors
- Local minima in quantum systemsNature Physics, Published online: 18 February 2025; doi:10.1038/s41567-025-02781-4 In general, it is difficult to identify the global energy minimum of a many-body system. Now, it has been shown that finding even local minima is difficult classically but efficiently achievable with a quantum computer.
- Author Correction: Incommensurability enabled quasi-fractal order in 1D narrow-band moiré systemsNature Physics, Published online: 17 February 2025; doi:10.1038/s41567-025-02824-w Author Correction: Incommensurability enabled quasi-fractal order in 1D narrow-band moiré systems
- Pressure-enhanced splitting of density wave transitions in La<sub>3</sub>Ni<sub>2</sub>O<sub>7–<i>δ</i></sub>Nature Physics, Published online: 17 February 2025; doi:10.1038/s41567-024-02754-z The density wave transition in a superconducting nickelate is shown to split when hydrostatic pressure is applied, indicating that it is composed of both a spin density wave and another form of ordered state.
- Magnetic order sets the stageNature Physics, Published online: 17 February 2025; doi:10.1038/s41567-024-02772-x High-temperature superconductivity has been found in a nickelate material under pressure, but the underlying state is unclear. Muons now show that the material hosts distinct phases that evolve differently with increasing pressure.
- Coulomb interactions and migrating Dirac cones imaged by local quantum oscillations in twisted grapheneNature Physics, Published online: 14 February 2025; doi:10.1038/s41567-025-02786-z Our understanding of the phase diagram of twisted graphene structures is incomplete. Now, twisted trilayer graphene is examined using a technique that locally images quantum oscillations and shows that a nematic semimetal is favoured at low density.
