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Photoelectron spectra after multiphoton ionization of Li atoms in the one-photon Rabi-flopping regime

Photoelectron spectra after multiphoton ionization of Li atoms in the one-photon Rabi-flopping regime

We calculate two-dimensional photoelectron momentum distributions and energy spectra after multiphoton ionization of Li atoms subject to intense laser fields in the one-photon Rabi-flopping regime. The time-dependent Schr\"odinger equation is solved within the single-active-electron approximation using a model potential which reproduces accurately the binding energies and dipole matrix elements of …