Bochum 2015 – scientific programme

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P: Fachverband Plasmaphysik

P 10: Theory and Modelling I

P 10.8: Talk

Tuesday, March 3, 2015, 12:30–12:45, HZO 50

Rydberg atoms in dense plasma — •Chengliang Lin, Heidi Reinholz, and Gerd Röpke — Universität Rostock, Institut für Physik, Deutschland

The transition rates of a Rydberg atom in plasma are derived by means of a quantum master equation approach. The coupling of the Rydberg atom with the plasma causes pressure broadening and is described by the density-density correlation function. It is shown that the transition rates can be obtained describing the highly excited Rydberg electron as a coherent quasi-classical state. The coherent state is constructed from Gaussian weighted eigenstates of the Rydberg electron. The calculated transition rates are shown to be in a good agreement with classical Monte-Carlo-simulation results.