Browse Physics

Interacting atoms mimic the behavior of identical fermions.

Cold-atom experiments tread into the land of two-dimensional superconductivity.

A technique from ion spectroscopy reveals the quantum nature of a mechanical system at low temperature.

Theorists uncover a new way that interactions between highly excited atoms can affect the way they radiate.

Infrared spectroscopy can detect trace gases and potentially provide an alternative carbon dating technique.

An advance in laser cooling fermionic atoms in an optical trap brings experimentalists closer to reaching a quantum magnetic phase of atoms.

Theoretical models edge closer to explaining how photoionization is affected by many-body interactions.

Extremely high magnetic fields have been simulated by laser manipulation of atoms trapped in an optical lattice.

Theorists propose a recipe for directly measuring the topological order in non-interacting cold atom systems.

Absorption spectroscopy limited only by quantum noise has been demonstrated over a broad frequency range using laser frequency combs.

Coupling a silicon nitride membrane resonator with a gas of ultracold atoms offers a novel approach to controlling mechanical systems at the quantum level.

Experiments map the structure and decay of the elusive H2- molecular ion.

Researchers show that intershell recombination processes involving three and four electrons sometimes dominate over those involving only two.

Experimentalists have mapped the quantum states (band structure) of cold atoms mimicking electrons in a crystal. The technique should allow researchers to study new aspects of electrons in crystals using the atoms as a model.

New beam splitter techniques extend the world of precision experiments with matter waves.

Researchers propose using ultracold polar molecules to simulate the t-J model, the cornerstone of many theoretical efforts to understand high-temperature superconductivity.

Excited cold atoms in Rydberg states behave similarly to certain spin systems, providing us with a versatile toolbox with which to study nonequilibrium phenomena.

A gas of excited-state atoms could perform as a single-photon detector.

A microscopic model offers new insight into a pernicious source of electric field noise in ion traps.

According to calculations, unexpected physics emerges when a Bose-Einstein condensate is confined to a hexagonal optical lattice.