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Q: Quantenoptik und Photonik
Q 41: Quanteneffekte IV
Q 41.7: Talk
Wednesday, March 15, 2006, 12:10–12:25, HII
The efficiency of quantum tweezers — •Bernd Mohring1, Giovanna Morigi2, Eric Lutz1, and Wolfgang P. Schleich1 — 1Abteilung Quantenphysik, Universität Ulm, 89069 Ulm, Germany — 2Grup d’Optica, Departament de Física, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain
We investigate the efficiency of recent proposals [1,2] that have shown how atoms can be extracted on demand from a Bose-Einstein condensate. Such proposals use the selective coupling between the condensate and the ground state of a steep trap in the regime in which the many-body spectrum of the steep trap is spectrally resolved. We study the limitations introduced by coupling the condensate over a finite time in the regime where condensate excitations are not spectrally resolved.
[1] R. B. Diener et al., Phys. Rev. Lett. 89, 070401 (2002)
[2] B. Mohring et al., Phys. Rev. A 71, 053601 (2005)