Search

Dissociative recombination of electrons with molecular ions widely occurs in interstellar plasmas but laboratory studies are challenging. Here, the authors provide measurements of dissociative recombination with high-internal state definition for D₂H⁺ ions stored in the cryogenic storage ring.

An array of optical tweezers trapping 6,100 neutral-atom qubits in 12,000 sites is experimentally realized, demonstrating performance exceeding present technologies and enabling the prospect of large-scale quantum computing and quantum error correction.

The authors report on imaging developments of solid-density plasmas and the current filamentation instability by means of the LCLS-XFEL at SLAC. This offers insights on the instability in the solid density region, stimulating new modelling of laser-solid interactions.

Identifying jets originating from heavy quarks plays a fundamental role in hadronic collider experiments. In this work, the ATLAS Collaboration describes and tests a transformer-based neural network architecture for jet flavour tagging based on low-level input and physics-inspired constraints.

A quantum simulator can follow the evolution of a prescribed model, whose behaviour may be difficult to determine. Here, the emergence of magnetism is simulated by implementing a quantum Ising model, providing a benchmark for simulations in larger systems.

Cold-atom interferometers have been miniaturized towards fieldable quantum inertial sensing applications. Here the authors demonstrate a compact cold-atom interferometer using microfabricated gratings and discuss the possible use of photonic integrated circuits for laser systems.

Here, the authors provide a vivid demonstration of the dynamic effect of transverse spin momentum in an optical beam in free space revealed by placing a dielectric bead in a counter-propagating optical beam trap in vacuum.

Nematicity, the spontaneous breaking of lattice rotational symmetry, plays an important role in kagome metals. Here, the authors report on a nematic phase within seven Kelvin below the charge density wave transition in the bilayer kagome metal ScV₆Sn₆.

To realize long-distance quantum communication it is required to have individually addressable quantum memories with programmable access to many cells. Here the authors report DLCZ-type quantum memories with 225 individually accessible memory cells in a macroscopic atomic ensemble

Ultrafast pulses with controlled parameters are desirable in many applications including probing materials and their interaction with light. Here the authors demonstrate a technique for polarization control of XUV beam using high-harmonic generation and polarization shaping.

Metamaterials can be designed with anisotropy, which tailors their optical properties to enable interesting functionalities. Here, the anisotropy of a Maltese-cross metamaterial is actively controlled by an actuator, allowing for tunable birefringence and dichroism in the terahertz frequency region.

Stationary radiative shocks are expected to form above the surface of highly-magnetized white dwarves in binary systems, but this cannot be resolved by telescopes. Here, the authors report a laboratory experiment showing the evolution of a reverse shock when both ionization and radiative losses are important.

A microscopy system that enables simultaneous recording from hundreds of neurons in the mouse visual cortex reveals that the brain enhances its coding capacity by representing visual inputs in dimensions perpendicular to correlated noise.

Laser cooling is a powerful technique that enables precision measurements and quantum control, yet its implementation in molecules remains challenging due to their complex structures. Here, the authors apply 2D transverse laser cooling to a focused beam of cold barium monofluoride (138Ba19F) molecules to significantly increase beam brightness.

Phosphorylation-dephosphorylation and ubiquitination tune TCR signaling to avoid self-reactivity. Kim and colleagues show that acetylation also modulates TCR signaling.

A perturbative method is proposed for the systematic design of mechanical metamaterials, where each element of the discrete model is associated with individual geometric features of the metamaterial, through the weak interaction between the unit cells.

Recent improvements in the indirect-drive inertial confinement fusion experiments include the achievement of burning plasma state. Here the authors report the scaling of neutron yield in a burning plasma of Deuterium-Tritium fusion reaction by including the mode-2 asymmetry.

Fast keying and mode switching exploiting the orbital angular momentum of light are sought after in optical communications and quantum key distribution for larger transmission capacity and higher security. Here Strain et al., propose a compact thermo-optically tunable vortex emitter with microsecond switching rates.

Neural mechanisms underlying motivation-driven behaviors are not fully understood. Here authors show that non-cholinergic neurons in rodent basal forebrain link sensory stimuli with motivational states and experience-driven plasticity.

Intense laser pulses can induce the propagation of coherent waves through a plasma, which are useful for accelerating electrons. Here, the authors use a genetic algorithm and a deformable mirror to optimize the wavefront and improve electron beam intensity and divergence.

Researchers demonstrate that Bell's measure — a commonly used test of quantum nonlocality — can be used in classical optical schemes to separate incoherence associated with statistical fluctuations from incoherence based on correlation. This technique may be useful for quantum information applications such as classical optical coherence theory and optical signal processing.

Computed tomography relies on scanning to measure an object from many angles, which fails for shot-to-shot changes and ultrafast phenomena. Matliset al. demonstrate an approach based on spectral multiplexing for single-shot tomographic imaging and use it to measure femtosecond plasma filaments.

The authors use femtosecond-timed Coulomb explosion to study in real time the bimolecular reaction of a single lithium ion diffusing toward a benzene dimer inside a liquid helium nanodroplet until formation of an ion-molecule complex.

A universal detection scheme capable of providing all reaction products and states information at once from a single measurement is demonstrated in F + CH₄ → HF + CH₃. The results unveil the previously inaccessible underlying reaction mechanism.

Determining the direction of the magnetic field of light is important for optical applications. Here, scattering of light from a subwavelength aperture in a metal plane is shown to be governed by its magnetic vector, providing the magnetic field orientation independently of the electric field.

Protons and neutrons in nuclei form shell structures with energy gaps at magic numbers. These numbers vanish in neutron rich isotopes, creating “Islands of Inversion”. Studies of 84Mo and 86Mo reveal a shift, defining an “Isospin-Symmetric Island of Inversion” influenced by three-nucleon forces.

The CMS Collaboration reports the measurement of the spin, parity, and charge conjugation properties of all-charm tetraquarks, exotic fleeting particles formed in proton–proton collisions at the Large Hadron Collider.

Non-reciprocal interactions between two optically levitated nanoparticles allow the observation of non-Hermitian dynamics and a mechanical lasing transition, and suggest applications in optomechanical sensing.

Heat transport across interfaces can be restricted due to interfacial thermal resistance between different materials. Here, authors find experimental evidence of a significant and enduring heat barrier between two high-energy-density materials that is consistent with interfacial thermal resistance.

High-speed programmability of spatially-structured light imparts faster control upon atomic qubits. Here, the authors demonstrate reconfigurable GHz-rate modulation on sixteen visible-wavelength channels, used here to address color centers in diamond.

The researchers experimentally and theoretically investigate the effects of atmospheric turbulence on optical knots. Topological transitions occur through reconnection events, where the additional optical modes change the vortex lines in space.

A visible stimulated Raman scattering microscope with extensive pulse chirping in combination with a deep-learning-based denoiser and Fourier reweighting leads to highly sensitive, label-free imaging of cell metabolism at the nanoscale.

The field-reversal configuration (FRC) represents a fusion device concept capable of high power density with a compact geometry. Here, the authors report on the generation and sustainment of a FRC by means of neutral beam injection in the C-2W machine at TAE technologies. This contributes towards establishing FRC as an alternative economic fusion device.

The application of astatine, one of the rarest elements on the earth, in the treatment of cancer requires a better understanding of its chemistry. Rothe et al. report the first measurement of the ionization potential of astatine, against which high-level quantum calculations are benchmarked.

One way to describe a particle is as a localised, 3-dimensional topological state, such as a skyrmion or hopfion. Here, the authors demonstrate and characterise particle-like skyrmionic hopfions in a free-space structured light beam.

Quantum gates in 2D ion crystals are more challenging than in 1D. Here, the authors use their 2D ion trap platform and acousto-optical deflectors to demonstrate a 2-qubit gate that can stand the ion micromotion in such configuration.

Confocal Airy beam integrated with single-photon oblique light-sheet tomography (CAB-OLST) is a high-throughput imaging approach for brain-wide mapping of neurons, as demonstrated in cleared mouse brains.

Cystine levels in pancreatic ductal adenocarcinoma (PDAC) tumour microenvironment are deficient, despite its crucial role for cancer cell maintenance. Here, the authors show that adaptation to cystine limitation stress promotes PDAC growth through induces metabolic reprogramming to promote PDAC tumor growth, while conferring a vulnerability in lipid metabolism targetable by lomitapide.

A large-scale atom-array architecture enables coherent continuous operation of more than 3,000 physical qubits, where new qubits can be introduced without destroying existing quantum information encoded in the system.