Keeping cool: artist’s impression of how atoms (red) are held in place with laser beams and the ion (blue) with electric fields. (Courtesy: University of Amsterdam) A new technique that allows ...

Exploiting the hyperfine structure in repulsive light-assisted collisions (LAC) on a 87-Rubidium atom pair in an optical tweezer. When atoms collide, their exact structure—for example, the number of ...

Rubidium atoms can behave unpredictably during atomic collisions, especially when exposed to specific laser light.

Physicists at the University of Kaiserslautern in Germany have observed how individual atoms diffuse through a gas for the first time, and how individual collisions between particles affect diffusion.

In the world of research, diffusion is understood as a process in which tiny particles disperse uniformly throughout a gas or liquid. Although these media are made up of individual particles, ...

(Nanowerk News) Thanks to new technology, it is possible to retain individual atoms, move them in a targeted manner or change their condition. Kaiserslautern physicists also work with this system. In ...

The ATLAS experiment at CERN sees possible evidence of quark-gluon plasma production during collisions between photons and heavy nuclei inside the Large Hadron Collider. Photons—the massless particles ...

Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, Vol. 286, No. 1407 (Aug. 3, 1965), pp. 519-524 (6 pages) A simple procedure is described for the calculation ...

High-order harmonic generation (HHG) provides a main route to generate attosecond (10-18 s) pulses, which have been considered “the world’s fastest film camera” for imaging the movement of electrons.