DOI

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 Schrödinger equation is solved within the single-active-electron approximation using a model potential which reproduces accurately the binding energies and dipole matrix elements of the Li atom. Interaction with the external electromagnetic field is treated within the dipole approximation. We show that the Rabi oscillations of the population between the ground 2s state and the excited 2p state in the one-photon resonance regime are reflected in the energy spectra of emitted photoelectrons, which manifest interference structures with minima. Transformations of the interference structures in the photoelectron energy spectra caused by the variation of the laser peak intensity and pulse duration are analyzed.

Язык оригиналаанглийский
Номер статьи023407
ЖурналPhysical Review A
Том100
Номер выпуска2
DOI
СостояниеОпубликовано - 9 авг 2019

    Предметные области Scopus

  • Атомная и молекулярная физика и оптика

ID: 45285210