![Multiphoton amplitude in a constant background field]()
Multiphoton amplitude in a constant background fieldAhmad, Aftab; Ahmadiniaz, Naser; Corradini, Olindo; Kim, Sang Pyo; Schubert, Christian; Gwak, B.; Kang, G.; Kim, C.; Kim, H.-C.; Lee, C.-H.; Lee, J.; Lee, S.; Lee, W. · EPJ Web of Conferences · 2018