Advances in attosecond science have led to a wealth of important discoveries in atomic,
molecular, and solid-state physics and are progressively directing their footsteps toward …

In this Colloquium, the wave-function-based multiconfigurational time-dependent Hartree
approaches to the dynamics of indistinguishable particles (MCTDH-F for fermions and …

Time-dependent coupled-cluster method with time-varying orbital functions, called time-
dependent optimized coupled-cluster (TD-OCC) method, is formulated for multielectron …

After sudden ionization of a large molecule, the positive charge can migrate throughout the
system on a sub-femtosecond time scale, purely guided by electronic coherences. The …

We present a numerical implementation of the time-dependent complete-active-space self-
consistent-field (TD-CASSCF) method [Phys. Rev. A 88, 023402 (2013) PLRAAN 1050-2947 …

In parallel with the evolution of femtosecond and attosecond laser as well as free-electron
laser technology, a variety of theoretical methods have been developed to describe the …

High-harmonic generation (HHG) is a nonlinear physical process used for the production of
ultrashort pulses in XUV region, which are then used for investigating ultrafast phenomena …

Abstract Short wavelength Free-Electron Lasers (FELs) are among the newest light sources
available to scientists to probe a wide range of phenomena, with chemical, physical and …

Attosecond science, born at the beginning of this century with the generation of the first
bursts of light with durations shorter than a femtosecond, has opened the way to look at …

We report the implementation of a cost-effective approximation method within the framework
of the time-dependent optimized coupled-cluster (TD-OCC) method [T. Sato et al., J. Chem …