Determination of the {sup 85}Rb ng-series quantum defect by electric-field-induced resonant energy transfer between cold Rydberg atoms

  title={Determination of the \{sup 85\}Rb ng-series quantum defect by electric-field-induced resonant energy transfer between cold Rydberg atoms},
  author={K. Afrousheh and P. Bohlouli-Zanjani and J. Petrus and J. D. Martin},
  journal={Physical Review A},
Resonant energy transfer between cold Rydberg atoms was used to determine Rydberg atom energy levels, at precisions approaching those obtainable in microwave spectroscopy. Laser cooled $^{85}\mathrm{Rb}$ atoms from a magneto-optical trap were optically excited to $32{d}_{5∕2}$ Rydberg states. The two-atom process $32{d}_{5∕2}+32{d}_{5∕2}\ensuremath{\rightarrow}34{p}_{3∕2}+30g$ is resonant at an electric field of approximately $0.3\phantom{\rule{0.3em}{0ex}}\mathrm{V}∕\mathrm{cm}$. This process… Expand

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