Koopmans' theorem for inner-shell ionization

Nuclear Motions Associated with Electron Transitions in Diatomic Molecules

E. U. Condon · Physical Review · 1928 · 835 citations

Natural Sciences, Physics, Atomic Physics +5

Self-Consistent-Field Wave Functions for Hole States of Some Ne-Like and Ar-Like Ions

P. S. Bagus · Physical Review · 1965 · 730 citations

Natural Sciences, Chemistry, Physics +16

Theory of X-Ray Satellites

T. Åberg · Physical Review · 1967 · 474 citations

Natural Sciences, Physics, Astrophysics +5

Quantum Theory of Many-Particle Systems. II. Study of the Ordinary Hartree-Fock Approximation

Per‐Olov Löwdin · Physical Review · 1955 · 462 citations

Natural Sciences, Chemistry, Physics +17

Electronic Band Structure of Solids by X-Ray Spectroscopy

L. G. Parratt · Reviews of Modern Physics · 1959 · 452 citations

Natural Sciences, Materials Science, Physics +13