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- Publications
- Influence
Cusp Conditions for Molecular Wavefunctions
- R. Pack, W. B. Brown
- Physics
- 15 July 1966
The conditions on the behavior of a wavefunction for a system of charged particles near the coalescence of any two of them are derived. The new features of the derivation are: (a) the fixed‐nucleus… Expand
Recent Developments in Perturbation Theory
- J. Hirschfelder, W. B. Brown, S. Epstein
- Physics
- 1964
Publisher Summary The purpose of this chapter is to provide information on the recent developments in perturbation theory. In recent years, there is a great increase of interest in the application of… Expand
Branch point singularities in the energy of the delta-function model of one-electron diatoms
- P. Certain, W. B. Brown
- Physics
- 1972
Two different perturbation series (the polarization expansion and a united-atom expansion) of the ground state energy of the delta-function model for one-electron diatoms are studied and the radii of… Expand
The relationship between the Rayleigh‐Schrödinger and asymptotic perturbation theories of intermolecular forces
- W. A. Whitton, W. B. Brown
- Chemistry
- 1976
The relation of the straightforward Rayleigh--Schroedinger perturbation theory for the interaction of two atoms to the asymptotic exchange theory is described. The one-electron case of a hydrogen… Expand
Extraction of the lanthanides with acetylacetone
- W. B. Brown, J. Steinbach, W. Wagner
- Chemistry
- 1 April 1960
Abstract Acetylacetone extracts the lanthanides from aqueous solution at pH values between four and six. The solubility and extractability of the rare earth acetylacetonates vary with the ionic radii… Expand
Icosahedral water clusters
- I. P. Buffey, W. B. Brown, H. Gebbie
- Chemistry
- 15 July 1988
Abstract Clusters containing 57 and 60 water molecules have been studied theoretically in the search for stable species which might explain the observed millimetre-wave absorption spectra of water… Expand
Perturbation theory of the Hooke's law model for the two-electron atom
- R. J. White, W. B. Brown
- Physics
- 15 November 1970
The Hooke model for the two‐electron atom replaces the electron–nuclear interaction by a harmonic oscillator potential, but retains the Coulomb repulsion of the electrons. The first‐order… Expand
On the Critical Binding of an Electron by an Electric Dipole
- W. B. Brown, R. E. Roberts
- Chemistry
- 1 March 1967
PERTURBATION ENERGIES FOR THE HOOKE'S LAW MODEL OF THE TWO-ELECTRON ATOM.
- J. Benson, W. B. Brown
- Physics
- 15 November 1970
The Rayleigh–Schrodlinger perturbation energies E(n) for the ground state of the Hooke's law model atom are calculated through tenth order. The E(n) are expressed as singly infinite sums whose terms… Expand