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Continuously trapped atoms provide advantage for atom interferometry, yet current schemes are limited by dephasing. Here, the authors develop a Floquet-engineered atom interferometry platform for quantum force sensing purposes, unveiling regimes where the interferometric phase is insensitive to noise.

This work demonstrates actively controlled, low-loss phonon-polaritonic Bloch modes in a graphene-gated α-MoO₃ polaritonic crystal, which enables enhanced near-field resonances and switchable far-field leakage through band structure modulation.

Bloch wavefunctions of two types of hole in gallium arsenide are reconstructed by measuring the polarization of light emitted by collisions of electrons and holes accelerated by a terahertz laser.

Bloch oscillations (BO) are intrinsically related to the geometry and topological properties of the underlying band structure. Here, Di Liberto et al. predict a unique topological effect manifested in the BOs of higher-order topological insulators through the interplay of non-Abelian Berry curvature and quantized Wilson loops.

By forcing electron–hole pairs onto closed trajectories attosecond clocking of delocalized Bloch electrons is achieved, enabling greater understanding of unexpected phase transitions and quantum-dynamic phenomena.

The build-up and dephasing of Floquet-–Bloch bands is visualized in both subcycle band-structure videography and quantum theory, revealing the interplay of strong-field intraband and interband excitations in a non-equilibrium Floquet picture.

In three dimensional systems with broken bulk inversion symmetry, skyrmions can form extended string-like structures. Here, Birch et al use scanning transmission x-ray microscopy to demonstrate the current induced generation and motion of these three dimensional skyrmion strings.

Terahertz waveforms with peak fields of 72 MV cm⁻¹ and a central frequency of 30 THz drive interband polarization in bulk GaSe off-resonantly and accelerate excited electron–hole pairs, inducing dynamical Bloch oscillations. This results in the emission of phase-stable, high-harmonic transients over the whole frequency range of 0.1–675 THz.

Hole spin qubits in germanium have seen significant advancements, though improving control and noise resilience remains a key challenge. Here, the authors realize a dressed singlet-triplet qubit in germanium, achieving frequency-modulated high-fidelity control and a tenfold increase in coherence time.

Composite fermions can be tuned to very low effective density in a clean two-dimensional electron gas, which allows the formation of a Bloch ferromagnet.

Floquet engineering is often limited by weak light–matter coupling and heating. Now it is shown that exciton-driven fields in monolayer semiconductors produce stronger, longer-lived Floquet effects and reveal hybridization linked to excitonic phases.

The interaction of waves with periodic structures is a feature central to many areas of physics from quantum mechanics to acoustics. Here, the authors numerically and experimentally demonstrate the presence of Rayleigh-Bloch waves in the regime above the first cut-off using acoustic gratings.

Theoretical models capable of accurately capturing the behaviour of plasmonic, Bloch surfaces waves are vital for the interpretation of experimental results. Here, the authors demonstrate the importance of extrinsic factors in determining the Goos-Hänchen shift in a generalised model of the propagation length.

Nonreciprocal photonics often relies on the use of external magnetic fields. By combining atomistic simulations based on tight-binding with a mean-field approach, here, the authors demonstrate nonreciprocal plasmon propagation in electrically biased one-dimensional carbon nanostructures, including graphene nanoribbons and carbon nanotubes.

The nature of the dominant pairing mechanism in some two-dimensional transition metal dichalcogenides is still debated. Here, the authors predict that the Kohn-Luttinger mechanism induces chiral p-wave superconductivity in monolayer NbSe₂.

In this work, the authors propose and experimentally test a framework to analyse the fundamental limits of quantum detector tomography, i.e., the limits to extractable information from probing unknown quantum measurements. They introduce the detector quantum Fisher information, which physically connects measurement structure to quantum advantage, complementing previously known state and channel metrics.

Examples of materials with non-trivial band topology in the presence of strong electron correlations are rare. Now it is shown that quantum fluctuations near a quantum phase transition can promote topological phases in a heavy-fermion compound.

The ability to control domain wall motion in ultrathin magnetic wires with an applied current could prove useful in future spintronic devices. Tetienne et al.now directly observe the different domain-wall structures in various magnetic material systems using a scanning nanomagnetometer.

High-order harmonic generation in solids could develop into a compact, coherent, short-wavelength source. This study shows that two-colour noncollinear wave mixing in silica significantly enhances HHG efficiency over single-color methods, offering a novel pathway for advancing all-solid XUV sources.

Excitons in atomically thin crystals couple strongly with light. Here, the authors observe lattice polaritons in a tunable open optical cavity at room temperature, with an imprinted photonic lattice strongly coupled to excitons in a WS₂ monolayer.

The interplay between geometrical and spin chiralities in three-dimensional twisted magnetic ribbons can lead to new functionalities that could allow for innovative chiral spintronics.

Here, the authors break the symmetry of atomically thin transition metal dichalcogenides using a tunable uniaxial strain, and demonstrate pseudospin analogs of spintronic phenomena such as the Zeeman effect and Larmor precession.

The evolution of a quantum state undergoing radiative decay depends on how the emission is detected. Here, the authors demonstrate how continuous field detection, as opposed to the more common detection of energy quanta, allows control of the back-action on the emitter’s state.

How white matter develops along the length of major tracts in humans remains unknown. Here, the authors identify fundamental patterns of human white matter development along distinct axes that reflect brain organization.

Light propagation can be controlled via passive—and ideally lossless—photonic systems, where constraints are imposed by the system linearity and Hermiticity. Here, authors describe funnelling of light in a nonlinear Hermitian photonic lattice, achieving a port-to-port funnelling efficiency of 70%.

Although magnetic tomography has been used in the past to determine the 3D magnetization of materials its application to thin films remains challenging. Here the authors reconstruct the magnetization of a thin film, enabling the measurement of topological charges of magnetic singularities.

Broken symmetry at the interface with a heavy metal gives rise to a chiral exchange interaction in ferromagnetic thin films, which may be used to control magnetic domain walls. Here, the authors demonstrate how this effect enforces topologically stable homochiral domain walls in a Pt/Co/AlO_xtrilayer.

A hybrid exciton is observed at the interface between an organic semiconductor and a transition metal dichalcogenide. This suggests engineering the exciton wavefunction can lead to efficient charge and energy transfer processes in such structures.

Isolated many-body quantum systems do not thermalize with an external environment but in most cases the internal dynamics leads to the emergence of an effective thermal equilibrium for local degrees of freedom. Here the authors study this behaviour with a realization of a long-range spin model.

Experiments that directly probe the quantum geometric tensor in solids have not been reported. Now, the quantum metric and spin Berry curvature—dual components of the quantum geometric tensor—have been simultaneously measured in reciprocal space.

Ramsey interferometry is widely used in quantum sensing for precise qubit frequency measurements, but its sensitivity is limited by decoherence. Hecht et al. report a new protocol for detecting qubit frequency shifts in a decohering system which has enhanced sensitivity and is applicable to existing technologies.

An atomic single electron transistor, which utilizes a single atomic defect in a van der Waals material as an ultrasensitive, high-resolution potential sensor, is used to image the electrostatic potential within a moiré unit cell.

The spin texture of a magnetic system can host a variety of topological spin textures, the most famous of these being skyrmions. Here, Volkov et al demonstrate higher order vorticity in magnetic wireframe nanostructures and introduce a general protocol for the creation of arbitrary numbers of vortices and antivortices in such wireframe structures.

Thermal imaging lenses are typically made from expensive materials such as germanium and silicon. Here, the authors synthesise a sulfur-based polymer with high mid-wave infrared and long-wave infrared transparencies, presenting a high-performing, low-cost alternative to traditional thermal imaging lens materials.

Mobile impurities can be useful probes of quantum states. Here, the authors theoretically identify polarons formed on the edge of topological insulating states, termed chiral polarons, that can be used to probe topological matter.

Optically trapped CaOH molecules in parity-doublet states achieve coherence times exceeding vibrational lifetimes, which are a defining milestone for the use of polyatomic molecules in quantum science.

By exploiting an optical thermodynamic framework, researchers demonstrate universal routing of light. Specifically, light launched into any input port of a nonlinear array is universally channelled into a tightly localized ground state. The principles of optical thermodynamics demonstrated may enable new optical functionalities.

Machine learning has been applied to problems in condensed matter physics, but its performance in an experimental setting needs testing. Zhang et al. study the effects of adversarial perturbations on a neural-network-based topological phase classifier, applied to experimental data from an NV center in diamond.

Phosphocreatine plays a vital role in cellular energetic homeostasis, but there are no routine diagnostic tests to noninvasively map the distribution with clinically relevant spatial resolution. Here, the authors develop and validate a noninvasive approach for quantifying and imaging phosphocreatine, without contrast agents, on widely available clinical MRI scanners with artificial neural networks.

Many-body effects in an interacting spin-orbit coupled Fermi gas are studied with the help of clock spectroscopy. The results provide a simple view of how strong collective dynamics arise from local interactions in the presence of spin–orbit coupling.

Here, the authors show that Brown-Zak fermions in graphene-on-boron-nitride superlattices exhibit mobilities above 10⁶ cm²/V s and micrometer scale ballistic transport.