Transition rates for a Rydberg atom surrounded by a plasma

C. Lin, C. Gocke, G. Röpke, Heidi Reinholz

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    © 2016 American Physical Society. We derive a quantum master equation for an atom coupled to a heat bath represented by a charged particle many-body environment. In the Born-Markov approximation, the influence of the plasma environment on the reduced system is described by the dynamical structure factor. Expressions for the profiles of spectral lines are obtained. Wave packets are introduced as robust states allowing for a quasiclassical description of Rydberg electrons. Transition rates for highly excited Rydberg levels are investigated. A circular-orbit wave-packet approach has been applied in order to describe the localization of electrons within Rydberg states. The calculated transition rates are in a good agreement with experimental data.
    Original languageEnglish
    JournalPhysical Review A - Atomic, Molecular, and Optical Physics
    Volume93
    Issue number4
    DOIs
    Publication statusPublished - 2016

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