55 citations · 98 across the 3 of their papers we have counts for
4 papers
Reduced density matrix description of high-harmonic generation in multi-electron atoms: exploring sub-cycle correlation effects
Katharina Buczolich, Takeshi Sato, Kenichi L. Ishikawa +3
High-harmonic generation (HHG) is one of the fundamental processes at the heart of attosecond physics. Traditionally viewed as an effective single-particle effect, recent advances…
Dynamical quasi-condensation in the weakly interacting Fermi-Hubbard model
Iva Březinová, Markus Stimpfle, Stefan Donsa +1
We study dynamical (quasi)-condensation in the Fermi-Hubbard model starting from a completely uncorrelated initial state of adjacent doubly occupied sites. We show that upon expans…
Accurate high-harmonic spectra from time-dependent two-particle reduced density matrix theory
Fabian Lackner, Iva Březinová, Takeshi Sato +2
The accurate description of the non-linear response of many-electron systems to strong-laser fields remains a major challenge. Methods that bypass the unfavorable exponential scali…
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…