RMATRX1: Belfast atomic R-matrix codes

Roothaan-Hartree-Fock atomic wavefunctions

E. Clementi, C. Roetti · Atomic Data and Nuclear Data Tables · 1974 · 5.5K citations

GRASP: A general-purpose relativistic atomic structure program

K G Dyall, I. P. Grant, C. T. Johnson et al. · Computer Physics Communications · 1989 · 1.5K citations

Natural Sciences, Chemistry, Physics +12

Quantum defect theory

M. J. Seaton · Reports on Progress in Physics · 1983 · 1.3K citations

Natural Sciences, Physics, Atomic Physics +12

Higher Angular Momenta and Long Range Interaction in Resonance Reactions

E. P. Wigner, Leonard Eisenbud · Physical Review · 1947 · 1.2K citations

Natural Sciences, Physics, Nuclear Physics +14

<i>Quantum theory of atomic structure</i>

John C. Slater, William F. Meggers · Physics Today · 1961 · 1.1K citations

Natural Sciences, Physics, Atomic Physics +11