Feshbach resonances are the essential tool to control the interaction between atoms in
ultracold quantum gases. They have found numerous experimental applications, opening up …

This review is concerned with the physics and chemistry associated with the interactions,
collisions, and reactions of ultracold molecules, that is, molecules having translational …

This paper presents a review of the current state of the art in the research field of cold and
ultracold molecules. It serves as an introduction to the focus issue ofNew Journal of Physics …

How does a chemical reaction proceed at ultralow temperatures? Can simple quantum
mechanical rules such as quantum statistics, single partial-wave scattering, and quantum …

In this study, we achieved magnetic control of reactive scattering in an ultracold mixture of
23Na atoms and 23Na6Li molecules. In most molecular collisions, particles react or are lost …

The recent development of a range of new methods for producing samples of gas-phase
molecules that are translationally cold (K) or ultracold (mK) is driving efforts to study reactive …

We report on the direct conversion of laser-cooled K 41 and Rb 87 atoms into ultracold K 41
Rb 87 molecules in the rovibrational ground state via photoassociation followed by …

A simple quantum-defect model gives analytic expressions for the complex scattering length
and threshold collision rates of ultracold molecules. If the probability of reaction in the short …

The field of few-body physics has originally been motivated by understanding nuclear
matter, but in the past few years ultracold gases with tunable interactions have emerged as …

Photoassociation of molecules out of an ultracold gas was thefirst successful approach to
create a gas of molecules in the electronic ground state at translational temperatures in the …