Controlling Rydberg atom excitations in dense background gases

@inproceedings{Liebisch2016ControllingRA,
  title={Controlling Rydberg atom excitations in dense background gases},
  author={Tara Cubel Liebisch and Michael Schlagmuller and Felix C. Engel and Huan Nguyen and Jonathan B. Balewski and Graham Lochead and F. M. J. Bottcher and Karl M. Westphal and Kathrin S. Kleinbach and T heodor Schmid and Anita Gaj and Robert J. Low and Sebastian Hofferberth and Tilman Pfau and Jes'us P'erez-R'ios and Chris H Greene},
  year={2016}
}
We discuss the density shift and broadening of Rydberg spectra measured in cold, dense atom clouds in the context of Rydberg atom spectroscopy done at room temperature, dating back to the experiments of Amaldi and Segre in 1934. We discuss the theory first developed in 1934 by Fermi to model the mean-field density shift and subsequent developments of the theoretical understanding since then. In particular, we present a model whereby the density shift is calculated using a microscopic model in… CONTINUE READING

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