The critical double-well in Ba+: many-body approach by the g-Hartree method
- 14 April 1984
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 17 (7) , 1211-1220
- https://doi.org/10.1088/0022-3700/17/7/010
Abstract
A novel many-body approach, developed recently for atoms (the g-Hartree method), has been applied to the critical double-well problem in Ba+. A significant improvement over earlier ab initio approaches is demonstrated and correlations are shown to have a large effect. A correct choice of g leads to simultaneous agreement between theory and experiment for three different classes of data, namely, quantum defects, intensity variation and the spin-orbit splitting.Keywords
This publication has 26 references indexed in Scilit:
- Orbital collapse and the photoionization of the innershells for Xe-like ionsPhysical Review A, 1983
- Synchrotron spectroscopy of the giant resonances in the lanthanides and actinides and its relevance to valence changesJournal of the Less Common Metals, 1983
- On the 'giant resonance' in the 4d spectra of Ba, Ba+and Ba2+Journal of Physics B: Atomic and Molecular Physics, 1983
- Quantum defect theory in a double-valley potentialJournal of Physics B: Atomic and Molecular Physics, 1982
- The connection between intermediate valence and atomic wavefunction collapseJournal of Physics C: Solid State Physics, 1982
- The controlled raising of discrete levels into the far continuumJournal of Physics B: Atomic and Molecular Physics, 1978
- Controlling the collapse of atomic wavefunctionsJournal of Physics B: Atomic and Molecular Physics, 1978
- Photoionization cross section of 4d10 Xe, Cs and Ba subshells with account of electron shell rearrangementPhysics Letters A, 1976
- Observation of an ‘atomic plasmon’ resonance in the Ba I absorption spectrum between 10 and 200 ÅProceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1974
- Theory of spin-orbit coupling in atoms I. Derivation of the spin-orbit coupling constantProceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences, 1962