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München 2004 – wissenschaftliches Programm

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Q: Quantenoptik und Photonik

Q 21: Poster Quantengase

Q 21.5: Poster

Dienstag, 23. März 2004, 14:00–16:00, Schellingstr. 3

Matter wave optics with Bose-Einstein condensates on atom chips — •Stephan Wildermuth1, Peter Krüger1, Sebastian Hofferberth1, Mauritz Andersson1, Sönke Groth1,2, Elmar Haller1, Leonardo Della Pietra1, Mihael Brajdic1, Israel Bar-Joseph2, and Jörg Schmiedmayer11Physikalisches Institut, Universität Heidelberg, 69120 Heidelberg — 2Weizmann Institut, Rehovot, Israel

Atom chips are built by structuring a conducting layer evaporated on a substrate. By charging theses structures and/or by passing currents through them, micropotentials for neutral atoms are formed that can be used for the controlled manipulation of ultra-cold atomic clouds.

On this poster, we present a selection of possible trapping and guiding geometries. The flexibility of the atom chip is demonstrated by cooling atoms to the Bose-condensed phase (BEC) in very different traps. We have integrated matter wave beam splitters and interferometers on our atom chip in order to investigate the coherence properties of various atom-optical tools. Recent progress in the experiments will be reported as well as future steps towards the realization of 1 and 2-qubit manipulation.

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