Browse Physics

A theoretical model finds that atoms can organize themselves into a regularly spaced row when trapped between a pair of nanosized optical fibers.

A new experiment reveals the different dynamics of particles and holes in ultracold fermionic gases in an optical lattice, opening the way to investigate condensed matter transport phenomena such as photoconductivity via quantum optical systems.

The demonstration of a single-particle interferometer opens the door to a number of applications, from investigations of gravity to surface impact physics.

In laser metrology, adding additional laser pulses, separated in time from the first, suppresses energy line shifts and allows for even more precision.

Ultracold atoms can coherently scatter backwards from a disordered potential in a way similar to classical waves.

An optomechanical system in which light and matter exchange roles promises new kinds of quantum states.

Shifts in atomic energy levels caused by electron interaction with virtual photons can also occur in an ensemble of atoms acting cooperatively.

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

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

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.

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

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

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

Electrons join the growing technology to build integrated quantum circuits that guide matter waves on a chip.

Photons (bosons) confined in a hollow waveguide containing an atomic gas could show spin-charge separation, which is more commonly associated with one-dimensional fermions.

New results predict that a well-known phase transition in two dimensions should also be observable optically.

Cold atoms in optical cavities can undergo a transition to a liquid-crystalline state in which the positions of the atoms are determined by the photon field.

Transmission of light through an atomic vapor offers a way of replacing a conventional compass with an all-optical device.

Light from an ultraviolet frequency comb allows researchers to push the boundaries in precision spectroscopy, experimental tests of quantum electrodynamics, and atomic clocks.