Description of positron-hydrogen resonances using the stochastic variational method

K VARGA, James Mitroy, J Mezei, A Kruppa

    Research output: Contribution to journalArticle

    Abstract

    The complex scaling method combined with the stochastic variational approach has been used to calculate the energy and widths of a number of L=0 resonant states of the positron-hydrogen system. The interparticle correlation functions reveal evidence of cluster formation in the resonance state. The lowest L=0 resonance associated with the H (n=2) threshold shows a bulge in the e- - e+ correlation function located at the same distance as the probability maximum of the Ps (1s) state. � 2008 The American Physical Society.
    Original languageEnglish
    Pages (from-to)-
    JournalPhysical Review A - Atomic, Molecular, and Optical Physics
    Volume77
    Issue number4
    Publication statusPublished - 2008

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