Authors: Pyper, NC Essex, DW Whelan, CT

Citation: Nc. Pyper et al., The 1s(2) -> 1s2p(P-1) excitation energy for helium atoms in liquid helium, solid helium and helium bubbles in metals, PHIL MAG B, 81(1), 2001, pp. 91-115

Authors: Pyper, NC

Citation: Nc. Pyper, Short range interaction potentials between anions in crystals, J CHEM PHYS, 114(10), 2001, pp. 4390-4405

Authors: Marks, NA Finnis, MW Harding, JH Pyper, NC

Citation: Na. Marks et al., A physically transparent and transferable compressible ion model for oxides, J CHEM PHYS, 114(10), 2001, pp. 4406-4414

Authors: Pyper, NC Edwards, PP

Citation: Nc. Pyper et Pp. Edwards, Metallization of alkali anions in condensed phases, J AM CHEM S, 122(21), 2000, pp. 5092-5099

Authors: Pyper, NC

Citation: Nc. Pyper, Relativistic theory of nuclear shielding in one-electron atoms 1. Theoretical foundations, and first-order terms, MOLEC PHYS, 97(3), 1999, pp. 381-390

Authors: Pyper, NC Zhang, ZC

Citation: Nc. Pyper et Zc. Zhang, Relativistic theory of nuclear shielding in one-electron atoms 2. Analytical and numerical results, MOLEC PHYS, 97(3), 1999, pp. 391-413