194 citations · 1.8k across the 45 of their papers we have counts for
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The structure of approximate two electron wavefunctions in intense laser driven ionization dynamics
Takeshi Sato, Kenichi L Ishikawa
The structure of approximate two electron wavefunction is deeply investigated, both theoretically and numerically, in the strong-field driven ionization dynamics. Theoretical analy…
Propagating two-particle reduced density matrices without wavefunctions
Fabian Lackner, Iva Brezinova, Takeshi Sato +2
Describing time-dependent many-body systems where correlation effects play an important role remains a major theoretical challenge. In this paper we develop a time-dependent many-b…
Time-dependent multiconfiguration self-consistent-field method based on occupation restricted multiple active space model for multielectron dynamics in intense laser fields
Takeshi Sato, Kenichi L. Ishikawa
The time-dependent multiconfiguration self-consistent-field method based on the occupation-restricted multiple active space model is proposed (TD-ORMAS) for multielectron dynamics…
Theoretical study of pulse delay effects in the photoelectron angular distribution of near-threshold EUV+IR two-photon ionization of atoms
Kenichi L. Ishikawa, A. K. Kazansky, N. M. Kabachnik +1
We theoretically study the photoelectron angular distributions (PADs) from two-color two-photon near-threshold ionization of hydrogen and noble gas (He, Ne, and Ar) atoms by a comb…