Treatment of intershell correlation effects in a b i n i t i o calculations by use of core polarization potentials. Method and application to alkali and alkaline earth atoms

PNO–CI Studies of electron correlation effects. I. Configuration expansion by means of nonorthogonal orbitals, and application to the ground state and ionized states of methane

1973 • 988 citations

A proper account of core-polarization with pseudopotentials: single valence-electron alkali compounds

1982 • 957 citations

Electric Dipole Polarizability of Atoms by the Hartree—Fock Method. I. Theory for Closed-Shell Systems

1965 • 740 citations

Atomic Energy Levels and Grotrian Diagrams

1975 • 737 citations

PNO-CI and PNO-CEPA studies of electron correlation effects

1976 • 635 citations

Atomic and Molecular Polarizabilities-A Review of Recent Advances

1978 • 544 citations

PNO–CI and CEPA studies of electron correlation effects. III. Spectroscopic constants and dipole moment functions for the ground states of the first-row and second-row diatomic hydrides

1975 • 529 citations

Theory of self-consistent electron pairs. An iterative method for correlated many-electron wavefunctions

1976 • 352 citations

Measurements of electric dipole polarizabilities of the alkali-metal atoms and the metastable noble-gas atoms

1974 • 332 citations

Finite perturbation calculations for the static dipole polarizabilities of the first-row atoms

1976 • 326 citations

Pseudopotential calculations on Rb+2, Cs+2, RbH+, CsH+ and the mixed alkali dimer ions

1982 • 268 citations

Finite perturbation calculation for the static dipole polarizabilities of the atoms Na through Ca

1976 • 252 citations

Power Series Representation of Generalized Oscillator Strengths

1965 • 222 citations

�ber den Einflu� der Deformierbarkeit der Ionen auf optische und chemische Konstanten. I

1924 • 208 citations

Photoabsorption by Cesium

1973 • 201 citations

Core polarization corrections to oscillator strengths in the alkali atoms

1968 • 196 citations

Photoabsorption by Ground-State Alkali-Metal Atoms

1972 • 193 citations

A constructive model potential method for atomic interactions

1974 • 180 citations

Natural states of interacting systems and their use for the calculation of intermolecular forces

1979 • 173 citations

Theoretical Electron Affinities for Some of the Alkali and Alkaline-Earth Elements

1968 • 155 citations

The Polarizabilities of Ions from Spectra

1933 • 151 citations

On the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">g</mml:mi></mml:mrow><mml:mrow><mml:mi>J</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:math>Values of the Alkali Atoms

1949 • 139 citations

Many-Body Approach to the Atomic Hyperfine Problem. I. Lithium-Atom Ground State

1968 • 130 citations

Inclusion of core-valence correlation effects in pseudopotential calculations. I. Alkali atoms and diatoms

1982 • 128 citations

Atomic transition probabilities from the relativistic pseudopotential approach

1978 • 120 citations

The electrostatic calculation of molecular energies - II. Approximate wave functions and the electrostatic method

1954 • 115 citations

Influence of atomic core polarisation on oscillator strengths for²S_1/2-²P_1/2,3/2and²P_1/2,3/2-²D_3/2,5/2transitions in Cu I, Ag I and Au I spectra

1978 • 110 citations

Model potential calculations of lithium transitions

1972 • 103 citations

Measurement of alkali-metal polarizabilities by deflection of a velocity-selected atomic beam

1974 • 102 citations

Application of Scattering Theory to the Calculation of Alkali Negative-Ion Bound States

1974 • 102 citations

Core polarization corrections to oscillator strengths and singlet-triplet splittings in alkaline earth atoms

1972 • 98 citations

Low energy elastic scattering of electrons by Li and Na

1971 • 92 citations

Inclusion of core-valence correlation effects in pseudopotential calculations. II. K₂and KH lowest Σ⁺potential curves from valence-correlated wavefunctions

1983 • 90 citations

Pseudo-potential calculation of atomic interactions

1970 • 88 citations

On the interaction of excited alkali atoms with rare gas targets in scattering processes

1982 • 87 citations

Inter- and Intra-Atomic Correlation Energies and Theory of Core-Polarization

1960 • 83 citations

Z-dependence of correlation effects and f values in the sodium iso-electronic sequence

1976 • 81 citations

Long-range interactions of alkali metals

1967 • 80 citations

Model-potential methods for the calculation of atom-rare-gas interaction: application to the H-He system

1979 • 78 citations

Alkali negative ions. III. Multichannel photodetachment study of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Cs</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">K</mml:mi></mml:mrow><mml:mrow><mml:mo>−</mml:mo></mml:mrow></mml:msup…

1978 • 77 citations

Hyperfine Structure of Sodium

1970 • 74 citations

Theoretical study of the lowest potential curves of NaK

1983 • 71 citations

Potential curves and molecular properties of Na2+

1976 • 70 citations

Optical Detection of Zero-Field Hyperfine Splitting of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Na</mml:mi></mml:mrow><mml:mrow><mml:mn>23</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>

1958 • 69 citations

The polarization of a closed-shell core of an atomic system by an outer electron I. A correction to the adiabatic approximation

1967 • 68 citations

Finite-field method calculations of molecular polarisabilities. II. Theoretical analysis of the correlation corrections with application to some pseudo-two-electron systems

1977 • 66 citations

The quantal calculation of the photo-ionization cross-section of atomic potassium

1947 • 66 citations

MCSCF pseudopotential calculations for the alkali hydrides and their anions

1981 • 66 citations

Calculation of Fermi Contact Hyperfine Splitting for Small Atoms and Molecules

1969 • 66 citations

Upper and Lower Bounds to Atomic and Molecular Properties. II. Electric Polarizabilities of Four-Electron Atoms by a Lower-Bound Procedure

1973 • 63 citations

A simplified hartree-fock procedure for atoms with two electrons outside closed shells

1964 • 61 citations

Influence of core polarisation on oscillator strengths along the copper isoelectronic sequence

1979 • 61 citations

Contribution of Core Polarization to the Cohesive Energies of the Alkali Metals

1957 • 60 citations

An approximate treatment of intra-atomic correlation in Hartree-Fock calculations: the Hg₂(X¹Σ_g⁺) potential

1977 • 59 citations

Measurement of the polarizability of calcium

1976 • 59 citations

The polarization of a closed-shell core of an atomic system by an outer electron II. Evaluation of the polarizabilities from observed spectra

1967 • 58 citations

Correlation energies from pseudo-potential calculations

1977 • 56 citations

Spectroscopic constants and the dipole moment functions for the 1Σ+ ground state of NaLi

1976 • 56 citations

Zum Polarisationspotential für Elektronen im Feld eines Atoms oder Atomrumpfes

1960 • 55 citations

Model potential calculations of potential energies of excited states of Li+2

1975 • 51 citations

The Quantum Defect of Nonpenetrating Orbits, with Special Application to Al II

1933 • 50 citations

Exact and Semiempirical Analysis of the Generalized-Random-Phase-Approximation Optical Potential

1972 • 50 citations

Model potential calculation of the electron affinity of lithium

1972 • 48 citations

Infra red photodetachment threshold measurements: Li? and P?

1976 • 47 citations

On the reliability of semiempirical pseudopotentials: dipole polarisability of the alkali atoms

1982 • 46 citations

Bounds to atomic properties: Electric polarizabilities of lithium isoelectronic sequence ions

1982 • 43 citations

Calculations on bound and autoionizing states, and continuum radiative properties for Li− and Na−

1974 • 40 citations

Upper and lower bounds to atomic and molecular properties. IV. Electric polarizabilities of three-electron atoms by a lower-bound procedure

1976 • 40 citations

Pseudopotential calculations of alkali interactions

1970 • 39 citations

A Gaussian basis for Rydberg orbitals

1981 • 39 citations

Transition State Calculations of Oscillator Strengths in theX_αLocal Exchange Approximation

1974 • 35 citations

Finite-field many-body perturbation theory II. SD-MBPT study of the nuclear charge dependence of the electron correlation contribution to the dipole polarizability of 10-electron atomic systems

1982 • 35 citations

Lower bounds to static polarizabilities

1977 • 33 citations

Das Kombinierte N�herungsverfahren

1968 • 33 citations

Das Kombinierte Näherungsverfahren

1969 • 31 citations

Electron affinities of the alkali atoms. A model-potential calculation

1971 • 29 citations

Configuration interaction and perturbation study of the electron correlation contribution to the dipole polarizability of beryllium

1982 • 25 citations

Adiabatic limit and nonadiabatic effects in the second order transition potential: Semi-empirical analysis

1973 • 25 citations

Finite-field many-body perturbation theory. VI. Multipole polarizabilities of beryllium. A comparative study

1983 • 23 citations

Investigation of the spin-density functional method for calculating spin-magnetic-moment densities

1977 • 21 citations

Pseudopotential Theory of Atoms and Molecules. II. Hylleraas-Type Correlated Pair Functions for Atoms with Two Valence Electrons

1972 • 21 citations

The correlated electron density of the Li atom — a test for density functionals and semi-empirical pseudopotentials

1982 • 20 citations

Core charge polarisation effects in the alkali atoms

1981 • 19 citations

The polarised frozen-core approximation: Oscillator strengths for the boron isoelectronic sequence

1982 • 17 citations

An ab initio effective potential for two particles in the field of the core: a reduction of (N + 2)-electron problem to two-electron problem

1976 • 13 citations

Core charge polarisation effects in atomic lithium

1979 • 12 citations

Core charge polarisation effects in atomic systems

1979 • 9 citations

The correlated electron density of alkali atoms: Pseudopotential and density-functional results

1983 • 8 citations

Exchange and core-polarization effects on atomic transition moments

1977 • 3 citations

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