Dynamics of resonant energy transfer in a cold Rydberg gas. Westermann, S., Amthor, T., Oliveira, A. L. d., Deiglmayr, J., Reetz-Lamour, M., & Weidemüller, M. The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics, 40(1):37–43, October, 2006. ![Dynamics of resonant energy transfer in a cold Rydberg gas [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex We investigate excitation transfer and migration processes in a cold gas of rubidium Rydberg atoms. Density-dependent measurements of the resonant population exchange for atoms initially excited into the 32P3/2(\textbarmJ\textbar=3/2) state are compared with a Monte Carlo model for coherent energy transfer. The model is based on simulations of small atom subensembles involving up to ten atoms interacting via coherent pair processes. The role of interatomic mechanical forces due to the resonant dipole-dipole interaction is investigated. Good agreement is found between the experimental data and the predictions of the model, from which we infer that atomic motion has negligible influence on the energy transfer up to Rydberg densities of 108 cm-3, that the system has to be described in terms of many-body dynamics, and that the energy transfer preserves coherence on microsecond timescales.
@article{westermann_dynamics_2006,
title = {Dynamics of resonant energy transfer in a cold {Rydberg} gas},
volume = {40},
issn = {1434-6060, 1434-6079},
url = {http://link.springer.com/article/10.1140/epjd/e2006-00130-3},
doi = {10.1140/epjd/e2006-00130-3},
abstract = {We investigate excitation transfer and migration processes in a cold gas of rubidium Rydberg atoms. Density-dependent measurements of the resonant population exchange for atoms initially excited into the 32P3/2({\textbar}mJ{\textbar}=3/2) state are compared with a Monte Carlo model for coherent energy transfer. The model is based on simulations of small atom subensembles involving up to ten atoms interacting via coherent pair processes. The role of interatomic mechanical forces due to the resonant dipole-dipole interaction is investigated. Good agreement is found between the experimental data and the predictions of the model, from which we infer that atomic motion has negligible influence on the energy transfer up to Rydberg densities of 108 cm-3, that the system has to be described in terms of many-body dynamics, and that the energy transfer preserves coherence on microsecond timescales.},
language = {en},
number = {1},
urldate = {2014-03-25},
journal = {The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics},
author = {Westermann, S. and Amthor, T. and Oliveira, A. L. de and Deiglmayr, J. and Reetz-Lamour, M. and Weidemüller, M.},
month = oct,
year = {2006},
pages = {37--43},
}
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