Physical Review Letters
Publisher’s Note: Probing Single-Photon Ionization on the Attosecond Time Scale [Phys. Rev. Lett.106, 143002 (2011)]
K. Klünder, Jan Marcus Dahlström, Mathieu Gisselbrecht, Thomas Fordell, Marko Swoboda, D. Guénot, P. Johnsson, Jérémie Caillat, J. Mauritsson, A. Maquet, Richard Taïeb, Anne L’Huillier