Ultracold neutral plasma expansion in two dimensions

Ultracold Neutral Plasmas

Ultracold polar molecules near quantum degeneracy

Ultracold Rb-OH collisions and prospects for sympathetic cooling

Ultracold RbSr molecules can be formed by magnetoassociation

Ultracold Rydberg Atoms in a Ioffe-Pritchard Trap

Ultracold spin-polarized mixtures of 2Sigma molecules with S-state atoms: Collisional stability and implications for sympathetic cooling

Ultracold three-body collisions near overlapping Feshbach resonances

Ultrafast Gates for Single Atomic Qubits

Ultrahigh harmonics from laser-assisted ion-atom collisions

Ultralong-range polyatomic Rydberg molecules formed by a polar perturber

Ultralow-power local laser control of the dimer density in alkali-metal vapors

Ultrastable CO2 Laser Trapping of Lithium Fermions

Ultrastable Optical Clock with Neutral Atoms in an Engineered Light Shift Trap

Ultraviolet and X-ray observations of active galactic nuclei: Constraints on models of the broad emission line region

Ultraviolet pumping of Si/+/ fine-structure levels

UMIST database. 1995 (Millar+, 1997)

Uncertainties in r-abundance distribution (Goriely 1999)

Uncovering multiple orbitals influence in high harmonic generation from aligned N$_2$

Unified ab initio treatment of attosecond photoionization and Compton scattering