Ericson fluctuations in an open deterministic quantum system: theory meets experiment |
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Authors: | Madroñero Javier Buchleitner Andreas |
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Affiliation: | Max-Planck-Institut für Physik komplexer Systeme, Dresden, Germany. |
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Abstract: | We provide numerically exact photoexcitation cross sections of rubidium Rydberg states in crossed, static electric, and magnetic fields, in quantitative agreement with recent experimental results. Their spectral backbone underpins a clear transition towards the Ericson regime, associated with a universal, fluctuating behavior of the cross section of strongly coupled, fragmenting quantum systems. |
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