TY - DATA T1 - Idem figure 1 with ω = 1.71 au (Γ = 34.2) PY - 2013/08/27 AU - R Della Picca AU - J Fiol AU - P D Fainstein UR - https://iop.figshare.com/articles/figure/_Idem_figure_a_href_http_iopscience_iop_org_0953_4075_46_17_175603_article_jpb471071f1_target_blank_/1012667 DO - 10.6084/m9.figshare.1012667.v1 L4 - https://ndownloader.figshare.com/files/1480490 KW - target structure KW - laser pulse KW - ionization probability KW - electromagnetic field KW - series expansion converges KW - term KW - Atomic Physics KW - Molecular Physics N2 - Figure 2. Idem figure 1 with ω = 1.71 au (Γ = 34.2). Abstract We present a detailed study of the ionization probability of H and H_{2}^{+} induced by a short intense laser pulse. Starting from a Coulomb–Volkov description of the process we derive a multipole-like expansion where each term is factored into two contributions: one that accounts for the effect of the electromagnetic field on the free-electron final state and a second factor that depends only on the target structure. Such a separation may be valuable to solve complex atomic or molecular systems as well as to interpret the dynamics of the process in simpler terms. We show that the series expansion converges rapidly, and thus the inclusion of the first few terms is sufficient to produce accurate results. ER -