Zimmermann, KlausLugan, PierreJoerder, FelixHeitz, NicolaiSchmidt, MaximilianBouri, CelsusRodriguez, AlbertoBuchleitner, Andreas2015-02-202015-02-202015-02-20201510.1088/0953-4075/48/2/025001https://infoscience.epfl.ch/handle/20.500.14299/111259WOS:000347108300002Partial autoionization rates of doubly excited one-dimensional helium in the collinear Zee and eZe configuration are obtained by means of the complex rotation method. The approach presented here relies on a projection of back-rotated resonance wave functions onto singly ionized He+ channel wave functions and the computation of the corresponding particle fluxes. In spite of the long-range nature of the Coulomb potential between the electrons and the nucleus, an asymptotic region where the fluxes are stationary is clearly observed. Low-lying doubly excited states are found to decay predomintantly into the nearest single-ionization continuum. This approach paves the way for a systematic analysis of the decay rates observed in higher-dimensional models, and of the role of electronic correlations and atomic structure in recent photoionization experiments.partial ratescomplex rotationheliumtext::journal::journal article::research article