N.C. Pyper

An atomic multiconfigurational Dirac-Fock package

I. P. Grant, Blair McKenzie, P. H. Norrington et al. · Computer Physics Communications · 1980 · 1.7K citations

Hardware Security, System On Chip, Engineering +4

An atomic multiconfigurational Dirac-Fock package

I. P. Grant, Blair McKenzie, P. H. Norrington et al. · Computer Physics Communications · 1984 · 367 citations

Hardware Security, System On Chip, Engineering +4

Breit interaction in multi-configuration relativistic atomic calculations

I. P. Grant, N.C. Pyper · Journal of Physics B Atomic and Molecular Physics · 1976 · 134 citations

Quantum Science, Engineering, Physics +15

In-crystal ionic polarizabilities derived by combining experimental and <i>ab initio</i> results

Patrick W. Fowler, N.C. Pyper · Proceedings of the Royal Society of London A Mathematical and Physical Sciences · 1985 · 120 citations

Theory of symmetry in nuclear magnetic relaxation including applications to high resolution N.M.R. line shapes

N.C. Pyper · Molecular Physics · 1971 · 117 citations

Spectral Theory, Quantum Liquid, Relaxation Process +21