Ultracold atom collisions, radiative loss processes, incomplete optical shielding.
Bose-Einstein condensates - loss processes due to a Feshbach resonance with a time-varying Zeeman shift. Derivation of multistate Gross-Pitaevskii equations with dissipation Formation of molecular condensates.
Curve-crossing processes - exact quantum solutions of multiple-level crossing models. Counterintuitive multiple-level crossing. Saturation in two-level crossing with time-dependent potentials.