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    Quantum-statistical T-matrix approach to line broadening of hydrogen in dense plasmas

    Access Status
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    Authors
    Lorenzen, S.
    Wierling, A.
    Reinholz, H.
    Röpke, G.
    Zammit, Mark
    Fursa, Dmitry
    Bray, Igor
    Date
    2010
    Type
    Conference Paper
    
    Metadata
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    Citation
    Lorenzen, S. and Wierling, A. and Reinholz, H. and Röpke, G. and Zammit, M. and Fursa, D. and Bray, I. 2010. Quantum-statistical T-matrix approach to line broadening of hydrogen in dense plasmas, pp. 99-103.
    Source Title
    AIP Conference Proceedings
    DOI
    10.1063/1.3517588
    ISBN
    9780735408456
    School
    Department of Physics and Astronomy
    URI
    http://hdl.handle.net/20.500.11937/5434
    Collection
    • Curtin Research Publications
    Abstract

    The electronic self-energy Se is an important input in a quantum-statistical theory for spectral line profile calculations. It describes the influence of plasma electrons on bound state properties. In dense plasmas, the effect of strong, i.e. close, electron-emitter collisions can be considered by three-particle T-matrix diagrams. These digrams are approximated with the help of an effective two-particle T-matrix, which is obtained from convergent close-coupling calculations with Debye screening. A comparison with other theories is carried out for the 2p level of hydrogen at kBT = 1 eV and ne = 2· 1023 m-3, and results are given for ne = 1 ·1025 m-3. © 2010 American Institute of Physics.

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