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DPG

Darmstadt 2008 – wissenschaftliches Programm

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Q: Fachverband Quantenoptik und Photonik

Q 37: Quantengase (Wechselwirkungseffekte I)

Q 37.5: Vortrag

Donnerstag, 13. März 2008, 12:00–12:15, 1C

Bifurcations in Bose-Einstein condensates with dipolar interactions — •Patrick Wagner, Jörg Main, and Günter Wunner — 1. Institut für Theoretische Physik, Universität Stuttgart, 70550 Stuttgart

We study Bose-Einstein condensates with dipolar and contact interaction within Gross-Pitaevskii theory. As an interesting novel phenomenon we find two ground-state solutions for negative as well as for positive scattering lengths. Below a critical value of the scattering length, no solution exists. We also discuss the dependence of physical properties of the condensate on the trap frequencies.

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