Tootfinder

Comparison of wave-mixing processes in rarefied gas and QED vacuum using numerical simulations
Marianna Lytova, Fran\c{c}ois Fillion-Gourdeau, Simon Valli\`eres, Sylvain Fourmaux, Fran\c{c}ois L\'egar\'e, Steve MacLean
https://arxiv.org/abs/2509.22894

Comparison of wave-mixing processes in rarefied gas and QED vacuum using numerical simulations
We study the conditions required to distinguish laser-induced nonlinear quantum electrodynamics (QED) effects in vacuum from competing signals due to interactions of laser pulses with ionized residual gas. The latter is inevitably present in vacuum chambers where experiments are performed because the vacuum is never perfect and there is always some residual pressure. The rarefied gas contribution is modeled statistically using the 1D-1V Vlasov-Maxwell system, while vacuum nonlinearities are des…