Studies in perturbation theory

On the Dirac Theory of Spin 1/2 Particles and Its Non-Relativistic Limit

1950 • 2,052 citations

Neue Berechnung der Energie des Heliums im Grundzustande, sowie des tiefsten Terms von Ortho-Helium

1929 • 1,578 citations

A Note on the Quantum-Mechanical Perturbation Theory

1951 • 924 citations

�ber den Grundterm der Zweielektronenprobleme von H?, He, Li+, Be++ usw.

1930 • 777 citations

Successive Approximations by the Rayleigh-Ritz Variation Method

1933 • 707 citations

The Motion of the Spinning Electron

1926 • 702 citations

Zur Quantenmechanik des magnetischen Elektrons

1927 • 685 citations

�ber die magnetischen Momente der Atomkerne

1930 • 625 citations

Studies in Perturbation Theory. IV. Solution of Eigenvalue Problem by Projection Operator Formalism

1962 • 621 citations

The Ground State of the Hydrogen Molecule

1933 • 609 citations

Magnetic Hyperfine Structure in Diatomic Molecules

1952 • 561 citations

Numerische Berechnung der 2S-Terme von Ortho- und Par-Helium

1930 • 512 citations

Scaling problem, virial theorem, and connected relations in quantum mechanics

1959 • 502 citations

Perturbation theory of large quantum systems

1957 • 448 citations

Motion in a Constant Magnetic Field

1949 • 434 citations

Ueber unendlich viele Algorithmen zur Auflösung der Gleichungen

1870 • 396 citations

Calculations in schrödinger perturbation theory

1959 • 285 citations

Zur Theorie der Hyperfeinstruktur

1933 • 243 citations

Possible Effects of Nuclear Spin on X-Ray Terms

1930 • 207 citations

Studies in Perturbation Theory. V. Some Aspects on the Exact Self-Consistent Field Theory

1962 • 182 citations

The Electromagnetic Properties of Dirac Particles

1952 • 170 citations

Wave Functions for Impurity Levels

1954 • 154 citations

Long-range interaction of two ls-hydrogen atoms expressed in terms of natural spin-orbitals

1959 • 134 citations

Les problèmes de perturbations et les champs self-consistents

1932 • 123 citations

Studies in perturbation theory

1964 • 114 citations

Studies in perturbation theory

1964 • 96 citations

Wave Functions and Energy Levels for<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Cu</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>as Found by the Slater Approximation to the Hartree-Fock Equations

1952 • 93 citations

The Hyperfine Structure of Hydrogen

1953 • 92 citations

Uses of approximate wave functions

1959 • 75 citations

Note on Perturbation Theory

1954 • 68 citations

Relativistic Motion in a Magnetic Field

1950 • 61 citations

Application of Perturbation Methods to the Theory of Nuclear Matter

1958 • 59 citations

Studies in perturbation theory

1964 • 56 citations

Long-range interaction of two 1s-hydrogen atoms expressed in terms of natural spin-orbitals

1965 • 55 citations

Analysis of the Schrödinger energy series

1958 • 54 citations

The hyperfine interaction Hamiltonian

1961 • 48 citations

On the Calculation of the Inverse of the Overlap Matrix in Cyclic Systems

1960 • 48 citations

The Hyperfine Structure of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>S</mml:mi></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>P</mml:mi></mml:math>Terms of Two Electron Atoms with Special Reference to<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">Li</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:…

1930 • 42 citations

Continued Fraction Approximants to the Brillouin-Wigner Perturbation Series

1957 • 41 citations

Perturbation Theory in Wave Mechanics

1958 • 41 citations

Derivation of Hyperfine Structure Formulas for One Electron Spectra

1931 • 39 citations

The Motion of a Dirac Electron in a Magnetic Field

1931 • 36 citations

Remarks on the Continued Fraction Calculation of Eigenvalues and Eigenvectors

1961 • 30 citations

Convergent Schrödinger Perturbation Theory

1957 • 28 citations

Many-Body Perturbation Theory

1957 • 27 citations

A Variational Iteration Method for Solving Secular Equations

1949 • 23 citations

A Convergent Iterative Process

1945 • 22 citations

Quantentheorie der Strahlungsd�mpfung

1943 • 20 citations

Consolidated Variation Perturbation Theory

1958 • 18 citations

Application of Schwarz's Inequality to Perturbation Theory

1958 • 10 citations

On the Approximate Calculation of Eigenvalues with Special Reference to the Helium Atom

1958 • 6 citations

On Eigenvalues of Incompletely Reducible Matrix

1949 • 6 citations

Recherches sur la résolution des équations de tous les dégres.

1855 • 4 citations