Abstract

A theory of the recombination of many-electron atoms by strong one-cycle atto-second laser pulses is presented. After one half-cycle the atom is almost 100% ionized but the second half-cycle returns the electrons to the ground state with high probability. The influence of electron–electron repulsion in the bound and intermediate continuum states is investigated for the simplest two-electron atomic systems, He and H−. It is shown that this influence is negligible as long as the interaction times are sufficiently short.

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