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Phys. Rev. A 73, 022503 (2006) [7 pages]

Ground-state wave function and energy of the lithium atom

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Mariusz Puchalski and Krzysztof Pachucki
Institute of Theoretical Physics, Warsaw University, Hoa 69, 00-681 Warsaw, Poland

Received 28 November 2005; published 6 February 2006

Highlyaccurate nonrelativistic ground-state wave function and energy of the lithiumatom are obtained in the Hylleraas basis set. The leadingrelativistic corrections, as represented by the Breit-Pauli Hamiltonian, are obtainedin fair agreement with the former results. The calculational methodis based on analytical evaluation of Hylleraas integrals with thehelp of recursion relations.

©2006 The American Physical Society

URL:	http://link.aps.org/doi/10.1103/PhysRevA.73.022503
DOI:	10.1103/PhysRevA.73.022503
PACS:	31.25.Eb; 31.30.Jv; 31.15.Pf; 02.70.-c 31.25.Eb Electron-correlation calculations for atoms and ions: ground state 31.30.Jv Relativistic and quantum electrodynamic effects in atoms and molecules 31.15.Pf Variational techniques (atoms and molecules) 02.70.-c Computational techniques YEAR: 2006
KEYWORDS:	lithium, ground states, relativistic corrections, wave functions

REFERENCES (29)

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