Key properties of quantum materials stem from dynamic interaction chains that connect
stable electronic quasiparticles through short-lived coherences, which are difficult to control …

The optically excited system of electronic excitations in semiconductor nanostructures is
analyzed theoretically. A many-body theory based on an equation-of-motion approach for …

The microscopic foundation of quantum-optical spectroscopy is presented. It is proposed to
use this technique to generate and detect quasiparticle states in semiconductors whose …

A theoretical framework is developed that combines the systematic many-body cluster-
expansion approach with the standard quantum-optical representations. A cluster …

A microscopic theory is developed to analyze the dynamics of exciton formation out of
incoherent carriers in semiconductor heterostructures. The carrier Coulomb and phonon …

Interactions of few-cycle terahertz pulses with the induced optical polarization in a quantum-
well microcavity reveal that the lower and higher exciton-polariton modes together with the …

Experiments with ultracold Bose gases can already produce so strong atom–atom
interactions that one can observe intriguing many-body dynamics between the Bose …

Rephasing and nonrephasing two-dimensional coherent spectra map the anticrossing
associated with normal-mode splitting in a semiconductor microcavity. For a 12-meV …

We find strong influence of final-state stimulation on the time-resolved light emission
dynamics from semiconductor microcavities after pulsed excitation allowing angle-resonant …

A microscopic many-body theory for the optical and electronic properties of semiconductors
is reviewed with an emphasis on the role of correlation effects. At the semiclassical level, the …