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Paper detail

Nonequilibrium Green function approach to photoionization processes in atoms

We present a quantum kinetic approach for the time-resolved description of many-body effects in photoionization processes in atoms. The method is based on the non-equilibrium Green functions formalism and solves the Keldysh/Kadanoff-Baym equations in second Born approximation. An approximation scheme is introduced and discussed, which provides a complete single-particle description of the continuum, while the atom is treated fully correlated.

preprint2009arXivOpen access
D. HochstuhlK. BalzerS. BauchM. Bonitz
physics.atom-ph
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D. HochstuhlK. BalzerS. BauchM. Bonitz

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