Mainz 2017 – wissenschaftliches Programm

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SYAP: Symposium Atomic and Plasma Physics at FAIR

SYAP 1: Atomic and Plasma Physics at FAIR

SYAP 1.1: Hauptvortrag

Dienstag, 7. März 2017, 11:00–11:30, P 1

Electrons and ions meet ultracold atoms — •Herwig Ott — Fachbereich Physik, Universität Kaiserslautern

Bringing together ultracold atoms and charged particles opens up new research directions in atomic physics. On the one hand, electrons and ions can be used to probe and manipulate ultracold atomic gases. On the other hand, a sample of ultracold atoms is an ideal starting point to generate ultracold electron and ion beams. Also spectroscopic techniques can be readily transferred between the two platforms. Altogether, the combination of charged particles and ultracold atoms allows to explore new physical phenomena and provides new analysis tools for various experimental observables.

In this talk I will give three examples, how both research fields can benefit from each other. First, I will show that a focused electron beam can be used to provide a controlled source of dissipation to a many-body quantum system. I will then discuss how correlated electronic excitations in an ultracold gas can be mapped onto a correlated ion string. And finally, I will present first results towards the generation of a high-repetition deterministic single ion source based on ultracold atoms.