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Autor(en): Kleinbach, Kathrin Sophie
Titel: Ions and electrons interacting with ultracold atoms : novel approaches based on Rydberg excitations
Erscheinungsdatum: 2018
Dokumentart: Dissertation
Seiten: 152
URI: http://elib.uni-stuttgart.de/handle/11682/10059
http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-ds-100595
http://dx.doi.org/10.18419/opus-10042
Zusammenfassung: In this thesis, the interaction of ions and electrons with ultracold atoms was investigated at the example of Rubidium-87. Thereto, a Rydberg atom was excited in a dense ultracold cloud. Both the interaction of the ionic core of the Rydberg atom and the Rydberg electron itself with neighboring neutral atoms was studied. Two main achievements were reported: First, photo-association of hybrid Trilobite Rydberg molecules was demonstrated. This is a special type of homonuclear molecules with a large electric dipole moment, which is bound by the electron-atom interaction. Second, it was shown for the first time that the ion-atom interaction between the Rydberg ionic core and the neutral atom can be accessed experimentally. The ion-atom interaction was observed at submicrokelvin temperature, once the nearest neighbor spacing in BEC is small and the electron-atom interaction is suppressed.
Enthalten in den Sammlungen:08 Fakultät Mathematik und Physik

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