288 citations · 2.8k across the 52 of their papers we have counts for
10 papers · 1 filter
Down-conversion processes in ab-initio non-relativistic quantum electrodynamics
Davis M. Welakuh, Michael Ruggenthaler, Mary-Leena M. Tchenkoue +2
The availability of efficient photon sources with specific properties is important for quantum-technological applications. However, the realization of such photon sources is often…
Light-matter hybrid-orbital-based first-principles methods: the influence of the polariton statistics
Florian Buchholz, Iris Theophilou, Klaas J. H. Giesbertz +2
A detailed understanding of strong matter-photon interactions requires first-principle methods that can solve the fundamental Pauli-Fierz Hamiltonian of non-relativistic quantum el…
Benchmarking Semiclassical and Perturbative Methods for Real-time Simulations of Cavity-Bound Emission and Interference
Norah M. Hoffmann, Christian Schäfer, Niko Säkkinen +3
We benchmark a selection of semiclassical and perturbative dynamics techniques by investigating the correlated evolution of a cavity-bound atomic system to assess their applicabili…
Relevance of the quadratic diamagnetic and self-polarization terms in cavity quantum electrodynamics
Christian Schäfer, Michael Ruggenthaler, Vasil Rokaj +1
Experiments at the interface of quantum-optics and chemistry have revealed that strong coupling between light and matter can substantially modify chemical and physical properties o…
Capturing Vacuum Fluctuations and Photon Correlations in Cavity Quantum Electrodynamics with Multi-Trajectory Ehrenfest Dynamics
Norah M. Hoffmann, Christian Schäfer, Angel Rubio +2
We describe vacuum fluctuations and photon-field correlations in interacting quantum mechanical light-matter systems, by generalizing the application of mixed quantum-classical dyn…
Reduced Density-Matrix Approach to Strong Matter-Photon Interaction
Florian Buchholz, Iris Theophilou, Soeren Ersbak Bang Nielsen +2
We present a first-principles approach to electronic many-body systems strongly coupled to cavity modes in terms of matter-photon one-body reduced density matrices. The theory is f…