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Photo of the BASE-STEP system being transported by overhead crane through the experimental hall of the Antimatter Factory at CERN. The system is an irregularly-shaped gray box and it's suspended from a large, bright yellow crane below the hall ceiling. A hard-hatted physicist, Marcel Leonhardt, looks on while holding a tablet displaying a dashboard of parameters.

Protons take to the road

Five-body recombination could cause significant loss from atom traps

Efimov states could be used to build molecules and achieve nuclear fusion

Plasma physics sets upper limit on the strength of ‘dark electromagnetism’

Result could force a rethink on basic models of dark matter, say researchers

Microwaves slow down chemical reactions at low temperatures

Radiation affects quantum states of carbon monoxide

Research headlines

Optical lattice simulating a superconductor

Bilayer optical lattices could unravel the secret of high-temperature superconductivity

Ezra Marker, Raiden Speelman, and Franz Geiger in front of their spectrometer. They're all smiling and wearing matching navy blue long-sleeve T-shirts with the slogan "this is my laser shirt" written on the chest pocket in light blue. A Northwestern University banner hangs in the background and two monitors displaying graphs and a dashboard can also be seen.

Splitting water takes more energy than theory predicts – and now scientists know why

Thermometer uses Rydberg atoms to make calibration-free measurements

Quantized vortices seen in a supersolid for the first time

Further research could shed light on neutron-star glitches

Positronium gas is laser-cooled to one degree above absolute zero

New cooling technique could help reveal physics beyond the Standard Model

Photonic orbitals shape up

The behaviour of photons confined inside three-dimensional cavity superlattices is much more complex than that of electrons in conventional solid-state materials

Scientists create space plasmas at CERN

Producing fast-moving "fireballs" in the lab could shed light on processes in extreme astrophysical emissions

Matter-wave interferometry puts new limits on ‘chameleon particles’

Gravity measurement benefits from optical lattice

Scientists uncover hidden properties of rare-earth element promethium

The first observation of a promethium complex in solution represents a significant advance in rare-earth research

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Negative triangularity tokamaks: a power plant plasma solution from the core to the edge?

IOP Publishing's journal, Plasma Science and Technologies explores the knowns and unknowns of negative triangularity and evaluate its future as a power plant solution

The most precise timekeeping device ever built

Colorado-based researchers have reduced the systematic uncertainty in their optical lattice clock to a record low. Ali Lezeik explains how they did it

Composite image of Arrokoth, a lumpy object that resembles a flattened snowman, superimposed on a selection of ball-and-stick diagrams for sugar and related molecules and a photograph showing distant stars and galaxies. The image also includes a graph of Arrokoth's colour slope over time.

Scientists identify a ‘sugar world’ beyond Neptune

The surface of a Kuiper Belt object called Arrokoth is rich in glucose, ribose and other sweet molecules

Boson sampler uses atoms rather than photons

System charts the evolution of complex quantum states

Magnetic islands stabilize fusion plasma, simulations suggest

Tokamaks like ITER could benefit from computer modelling results

Bilayer of ultracold atoms has just a 50 nm gap

System could be used to simulate superconducting bilayer graphene

Individual polyatomic molecules are trapped in optical-tweezer arrays

Molecules cooled to their quantum ground state

Artist's impression of a plasma confined in the RT-1 facility. The plasma appears as a glowing purple cloud within a toroidal chamber surrounded by magnetic field lines and containing red particles (representing high-temperature electrons) that are emitting white lines (representing the chorus waves)

Space weather phenomenon observed in the lab for the first time

Magnetosphere events known as whistler mode chorus emissions can now be produced in a controlled environment

Image showing a purple streak and a green streak colliding with a water molecule, represented by a red ball for oxygen and smaller white balls for hydrogen. A gold flash representing an electron is also present

New attosecond X-ray spectroscopy technique ‘freezes’ atomic nuclei in place

Removing "noise" from atomic motion enables scientists to observe electron movement in real time, leading to new interpretations of previous results

Photo of the International Space Station in orbit around the Earth, with a falling apple and orange superimposed on top of it

Space-borne atoms herald new tests of Einstein’s equivalence principle

Measuring the free-fall rate of different type of atoms in space could unveil hidden mechanisms of gravity

Matter–antimatter gas of positronium is laser cooled

Technique could give spectroscopic studies of antimatter a boost

Ultracold four-atom molecules are bound by electric dipole moments

New technique could shed light on high-temperature superconductivity

Image showing hot pink and orange arrows representing the flow of heat through a grid of atom-like spheres

Physicists take the temperature of second sound

Results could have applications for studies of high-temperature superconductors and neutron stars

Physicists observe false vacuum decay in a ferromagnetic superfluid

First experimental evidence of true vacuum “bubbles” could have implications for cosmology as well as condensed-matter physics

Photo of the vacuum chamber containing the rubidium MOT, surrounded by optics and imaging systems

Machine learning takes hassle out of cold-atom experiments

Reinforcement learning can make cooling apparatus more robust

Magnetic reconnection in space and fusion plasmas: challenges at large and small scales

Join the audience for a live webinar on 6 February 2024 sponsored by IOP Publishing's journal, Plasma Physics and Controlled Fusion

optical components on an optical bench, bathed in orange light

Entangled molecules make a novel qubit platform

Two independent groups report a new tool for quantum science

A simulation of a powerful and bright laser source created using a collection of many electrons that move together like a single giant particle, or quasiparticle

Scientists propose super-bright light source powered by quasiparticles

A new light source concept based on plasma accelerators could be harnessed for a variety of applications, including non-destructive imaging and computer-chip manufacturing

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