Browse Physics

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

New experiments resolve differences in measuring the viscosity of liquids confined to thin films at the molecular level.

Calculating the properties of three trapped atoms suffices to explain the behavior of an entire fermionic gas.

A theoretical model and its experimental realization in a cold atomic gas pin down the nature of the criticality for a particular realization of the three-dimensional metal-insulator Anderson transition.

A pulsed laser modulates the atom-atom interaction in a Bose-Einstein condensate on submicron length scales.

Data continue to accumulate showing that an important set of universal relations accurately describes the properties of ultracold fermionic gases.

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

Sometimes experimental noise is actually signal. Two groups have shown how density fluctuations in a gas of identical fermions can be used as a nanokelvin thermometer.

Theoretical analysis of parallel layers of ultracold fermionic atoms reveals a rich variety of novel phases that might offer analogies to phenomena in other areas of physics.

In a new regime for atomic clocks, strong interactions between atoms dramatically increase the clock’s coherence time.

The coldest antiprotons ever produced–which reached 9 kelvin–were cooled with a tried-and-true method for neutral atoms. The result is an essential step on the road to studying antihydrogen.

Researchers beat the quantum-mechanical fluctuations in an atomic clock by linking many atoms into an entangled quantum state and pushing the fluctuations into a realm that doesn’t influence the time measurement.

Early results from the Linac Coherent Light Source expose the inner dynamics of molecules during ionization with ultrashort x-ray pulses.

Forces on an atom from a fiber less than an optical wavelength in diameter may provide answers in quantum optics.

Raman spectroscopy has been put to use in measuring temperature and correlations of ultracold fermionic atoms loaded into an optical lattice.

Ultrafast spectroscopy reveals the step-by-step process of solvation.

A new perspective on strongly interacting fermions emerges from the experimental confirmation of a universal formula.

Simulations address whether magnetic ordering is achievable with cold atoms in optical lattices.

Researchers propose a new scheme for laser cooling in the strong-coupling regime that is orders of magnitude faster than methods limited by the trap frequency.

Electromagnetically induced transparency produced by dark states in an artificial atom might find use as a switchable microwave mirror.