Atomic and molecular

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New technique puts 3D quantum gases under the microscope

Microscopy technique inspired by Kelvin reveals long-sought ‘sigma-hole’

Positively charged “crown” that holds some halogen atoms together is imaged for the first time

Pauli blocking is spotted in ultracold fermionic gases

Quantum degenerate systems are more transparent to light

Laser-free trapping of heavy molecules opens an alternative route to new physics

Trap based on electric fields alone boosts the search for a non-zero electron electric dipole moment and other phenomena beyond the Standard Model

Research headlines

Photo of 3D printed MOT components on an optical bench

3D printing makes a smaller, lighter cold atom trap

Laser beams become visible in vacuum

3D collimation of a Bose-Einstein condensate

Bose–Einstein condensates hit record low temperature

Proton cooled using an ion cloud and superconducting circuit

Technique should allow more precise tests of matter–antimatter symmetry

Solar polarization paradox resolved at last

Careful numerical modelling explains origin of polarized light emitted by sodium atoms in the solar atmosphere

Supersolidity enters a second dimension

Precisely tailored atom trap proves key to creating elusive 2D supersolid

‘Bogolons’ make graphene superconducting

2D form of carbon transforms into a high-temperature superconductor if placed near a Bose–Einstein condensate, say theorists

Biomolecules imaged at record-breaking resolution using localization atomic force microscopy

New technique gives insights into molecular processes at the angstrom scale

New electron accelerator combines laser and plasma wakefield techniques

Dual system could lead to compact facilities for particle physics and X-ray analysis

Journal of Physics Communications™ – Now indexed in SCOPUS

An open access journal providing authors with a rapid platform for communicating high-quality research in all areas of physics. As well as being indexed in Scopus, Journal of Physics Communications offers authors fast publication, rigorous peer review, and welcomes multidisciplinary studies.

Explore more in atomic and molecular physics

The unsung theory: why thermodynamics is as important as quantum mechanics and general relativity

Philip Ball reviews Einstein’s Fridge: the Science of Fire, Ice and the Universe by Paul Sen

Electrons ‘surf’ on Alfvén waves in plasma-chamber experiments

Research explains how aurora-creating particles are accelerated

Solving the proton puzzle

Why were physicists wrong about the size of the proton for so long? As Edwin Cartlidge explains, it is about bureaucracy and politics as much as physics

Light cages could give quantum-information networks a boost

Device couples light to atoms in a vapour

Sequence of seven images taken of dipolar atoms as they cool. Initially, the cloud is relatively warm and atoms in it are uniformly distributed. As it gets colder, peaks emerge as bright spots on the images.

High-resolution imaging sheds light on supersolid formation

Physicists observe the birth, life, and death of supersolids at nonzero temperatures

**Topological fluids, the proton radius and art and science: the June 2021 issue of Physics World magazine is now out**

The June 2021 issue of Physics World includes a look at questions in physics that are taking a long time to solve

Two researchers in masks stand next to an optical bench containing a laser, mirrors and other equipment.

Chemistry gets put to a quantum test

Researchers use ultracold molecules to explore all possible outcomes of a chemical reaction

Subradiance stores light in dense atomic clouds

Destructive interference prevents atoms from decaying

Superfluidity seen in a 2D Fermi gas

Physicists in Germany say they have found definitive evidence for the existence of superfluidity in an extremely cold 2D gas of fermions

Physicists solve centuries-old brachistochrone problem for complex quantum operations

Result sets a "speed limit" for transporting atoms while preserving their quantum state

Two people make adjustments to an experimental apparatus on an optical bench

Non-destructive detection could speed up cold-atom quantum sensors

Researchers use microwaves to observe an atomic sample 30,000 times a second without destroying it

Three top atomic clocks are compared with record accuracy

Research could lead the way to a new time standard

Diagram showing an impurity atom evolving into a quasiparticle over time (represented by a clock)

Ultracold atoms permit direct observation of quasiparticle dynamics

Physicists witness the formation and subsequent non-equilibrium dynamics of a quasiparticle in an ultracold atomic gas

New Floquet maser is very good at detecting low frequency magnetic fields

Device is made from periodically driven xenon atoms

Attosecond streaking clocks the ultrafast emission of Auger electrons

Technique gets around timing jitter of X-ray free electron lasers

‘Lattice surgery’ entangles fault-tolerant topological qubits

Technique for trapped ions could lead to more reliable quantum computers

Collective behaviour emerges particle by particle

Six atoms are enough to constitute a many-body system, say researchers

Microtube implosions could produce megatesla magnetic fields

Proof-of-principle study finds that today's lasers are intense enough to generate super-strong fields from “pre-seeded” weaker ones

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Optics and photonics | Conference SPIE Photonics West 2022 22—27 January 2022 | San Francisco, US
Quantum | Virtual event Openness as a resource: accessing new quantum states with dissipation 31 January — 4 February 2022
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