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Dresden 2011 – scientific programme

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A: Fachverband Atomphysik

A 13: Poster II

A 13.9: Poster

Tuesday, March 15, 2011, 18:00–20:00, P1

Pair Correlations in Low-Dimensional Ultracold Quantum Gases — •Arne Ewerbeck, Matthias Scholl, Andreas Vogler, Peter Würtz, Vera Guarrera, Giovanni Barontini, and Herwig Ott — Fachbereich Physik, Technische Universität Kaiserslautern

We present an experimental approach for in-situ correlation measurements in ultracold gases. In our experiment we ionize atoms of an atomic ensemble by electron impact ionization, using a tightly focussed electron beam. The ions are extracted by means of electrostatic optics and subsequently detected. This allows us to probe density distributions with high spatial resolution. Furthermore, by analyzing the temporal sequence of ion signals, we aim to determine the pair correlation function of trapped one- and twodimensional quantum gases. A combination of optical dipole-traps is used to confine the atoms in a low-dimensional geometry. The current status of the experiment is presented.

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