Mainz 2017 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 54: Ultracold atoms and BEC - V (with A)

Q 54.7: Talk

Friday, March 10, 2017, 12:30–12:45, N 1

Measuring Correlations in a Double Well with Single-Atom Imaging — •Vincent M. Klinkhamer, Andrea Bergschneider, Jan Hendrik Becher, Philine L. Bommer, Justin F. Niedermeyer, Gerhard Zürn, Philipp M. Preiss, and Selim Jochim — Physikalisches Institut der Universität Heidelberg, Im Neuenheimer Feld 226, 69120 Heidelberg, Germany

We deterministically prepare quantum states of two interacting Lithium atoms in an optical double-well potential. To recover the occupation number on the sites, we detect individual atoms with our new spin-resolved fluorescence imaging. However, interesting properties such as the symmetry between particles cannot be measured in this way. Therefore we measure the momenta of the individual atoms after time-of-flight expansion. This allows us to determine the correlations between two atoms with high contrast.