Orthogonally-spin-adapted coupled-cluster theory for closed-shell systems including triexcited clusters
B. G. Adams and J. Paldus
Phys. Rev. A 20, 1 (1979) - Published 1 July, 1979
ordering of atomic energy levels and its relation to the spectroscopic quantum defects
R. M. Sternheimer
Phys. Rev. A 20, 18 (1979) - Published 1 July, 1979
Electron-correlation effects in the positions and widths of two-electron autoionizing resonances
N. Moiseyev and F. Weinhold
Phys. Rev. A 20, 27 (1979) - Published 1 July, 1979
Two-center magnetic-multipole interaction between atoms, molecules, and nuclei
Ying-Nan Chiu
Phys. Rev. A 20, 32 (1979) - Published 1 July, 1979
corrections in positronium: Hyperfine splitting and decay rate
William E. Caswell and G. Peter Lepage
Phys. Rev. A 20, 36 (1979) - Published 1 July, 1979
Electromagnetic potential in Thomas-Fermi-Dirac atoms
E. K. U. Gross and Johann Rafelski
Phys. Rev. A 20, 44 (1979) - Published 1 July, 1979