3 papers
quant-ph2021
Dynamically assisted tunneling in the impulse regime
Christian Kohlfürst, Friedemann Queisser, Ralf Schützhold
We study the enhancement of tunneling through a potential barrier by a time-dependent electric field with special emphasis on pulse-shaped vector potentials such as $A_x(t)=…
hep-ph2019
Pair production in temporally and spatially oscillating fields
Ivan A. Aleksandrov, Christian Kohlfürst
Electron-positron pair production for inhomogeneous electric and magnetic fields oscillating in space and time is investigated. By employing accurate numerical methods (Furry-pictu…
hep-ph2018
Photon-Photon Scattering at the High-Intensity Frontier: Paraxial Beams
Alexander Blinne, Holger Gies, Felix Karbstein +2
Our goal is to study optical signatures of quantum vacuum nonlinearities in strong macroscopic electromagnetic fields provided by high-intensity laser beams. The vacuum emission sc…