J. Sapirstein

Finite basis sets for the Dirac equation constructed from<i>B</i>splines

W. R. Johnson, S. A. Blundell, J. Sapirstein · Physical review. A, General physics · 1988 · 651 citations

Spectral Theory, Engineering, Physics +15

Many-body perturbation-theory calculations of energy levels along the lithium isoelectronic sequence

W. R. Johnson, S. A. Blundell, J. Sapirstein · Physical review. A, General physics · 1988 · 235 citations

Engineering, Computational Chemistry, Chemistry +18

Computation of Second-Order Many-Body Corrections in Relativistic Atomic Systems

W. R. Johnson, J. Sapirstein · Physical Review Letters · 1986 · 230 citations

Multiple Sums, Engineering, High-energy Nuclear Reaction +13

Relativistic all-order many-body calculations of the<i>n</i>=1 and<i>n</i>=2 states of heliumlike ions

D. R. Plante, W. R. Johnson, J. Sapirstein · Physical Review A · 1994 · 226 citations

Heavy Ion Physic, Engineering, Nuclear Physics +15

Relativistic all-order calculations of energies and matrix elements in cesium

S. A. Blundell, W. R. Johnson, J. Sapirstein · Physical Review A · 1991 · 222 citations

All-order Methods, Engineering, Relativistic All-order Calculations +16