Probing an Electron Scattering Resonance using Rydberg Molecules within a Dense and Ultracold Gas

We present spectroscopy of a single Rydberg atom excited within a Bose-Einstein condensate. We not only observe the density shift as discovered by Amaldi and Segrè in 1934, but a line shape that changes with the principal quantum number n. The line broadening depends precisely on the interaction pot...

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Veröffentlicht in:	Physical review letters 2016-02, Vol.116 (5), p.053001-053001, Article 053001
Hauptverfasser:	Schlagmüller, Michael, Liebisch, Tara Cubel, Nguyen, Huan, Lochead, Graham, Engel, Felix, Böttcher, Fabian, Westphal, Karl M, Kleinbach, Kathrin S, Löw, Robert, Hofferberth, Sebastian, Pfau, Tilman, Pérez-Ríos, Jesús, Greene, Chris H
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic beam spectroscopy Bose-Einstein condensates Cold Temperature Density Electrons Elementary Particles Gases - chemistry Line shape Models, Theoretical Potential energy Quantum Theory Resonance scattering Scattering, Radiation Separation Spectroscopy Spectrum Analysis - methods Thermodynamics
Online-Zugang:	Volltext
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