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Hannover 2010 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 23: Poster II

A 23.4: Poster

Donnerstag, 11. März 2010, 16:30–19:00, Lichthof

Threshold photoionization in the presence of neutral perturbers — •Jovica Stanojevic and Jan-Michael Rost — Max Planck Institute for the Physics of Complex Systems, Nöthnitzer Strasse 38, 01187 Dresden, Germany

We explore the influence of nearby ground-state atoms on the photoionization process in ultracold gases. We implement the Green’s function method to account for the effects of interactions with surrounding atoms. For energies just above the photoionization threshold, a simpler almost analytical treatment can be devised. This study could offer an alternative way to investigate collisions at ultralow energies.

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