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physics.atom-ph2000
Spectroscopic electric-field measurement in laser-excited plasmas
S. K. Dutta, D. Feldbaum, G. Raithel
The electric field in mm-sized clouds of cold Rb^+-ions is measured using the Stark effect of Rydberg atoms embedded in the ion clouds. The ion clouds are produced by UV photoioniz…
physics.atom-ph2000
The ZEKE-effect in cold Rydberg gases
S. K. Dutta, D. Feldbaum, G. Raithel
Cold, dense Rydberg gases produced in a cold-atom trap are investigated using spectroscopic methods and time-resolved electron counting. On the discrete Rydberg resonances we obser…