Browse Physics

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.

Theoretical analysis shows how exotic superfluidity might be observed in ultracold molecules.

Precision measurements of the electron magnetic moment in hydrogenlike silicon provide a stringent test of bound-state quantum electrodynamics.

Experiments show that an ultracold gas will condense to a coherent state at a higher temperature when its atoms repel each other.

Dense clouds of cold atoms have been produced in thin optical fibers.

Three-body bound states, known to form among spherically symmetric atoms, should also exist for dipole molecules.

Optical clocks based on nuclear energy levels may offer unprecedented precision and a chance to find out whether fundamental constants change over time.

A link in a quantum network is built from a hybrid atomic system, connected by fiber optics.

When it comes to probing ultracold atoms in optical lattices, has direct imaging put Bragg diffraction out of business?

Experimenters have created overlapping quantum fluids of lithium and ytterbium, en route to creating quantum fluids of molecules that have unpaired electronic spins.

Experiments show that the tumbling of gas molecules has a significant effect on the energies of electrons they eject in response to x rays.