A critique of Zwaan-Stueckelberg phase integral techniques

Non-adiabatic crossing of energy levels

1932 • 4,334 citations

Formulas and Theorems for the Special Functions of Mathematical Physics

1966 • 3,442 citations

Quantum mechanics

1949 • 3,083 citations

Electronic and Ionic Impact Phenomena

1953 • 1,293 citations

Radio waves in the ionosphere

1961 • 1,154 citations

The theory of atomic collisions

1966 • 1,137 citations

Radio Waves in the Ionosphere

1962 • 1,090 citations

Electronic and Ionic Impact Phenomena

1970 • 859 citations

The theory of atomic collisions

1965 • 516 citations

Resonant Charge Exchange in Atomic Collisions

1963 • 425 citations

Extension of the WKB method to wave functions and transition probability amplitudès (S-matrix) for inelastic or reactive collisions

1970 • 202 citations

On the Theory of Excitation by Collision with Heavy Particles

1931 • 185 citations

Collisions involving the crossing of potential energy curves

1960 • 170 citations

Low energy collisions between hydrogen atoms and protons

1964 • 168 citations

Two Notes on Phase-Integral Methods

1947 • 157 citations

Charge transfer

1962 • 141 citations

The classical S-matrix: a more detailed study of classically forbidden transitions in inelastic collissions

1970 • 103 citations

Two-State Stueckelberg-Landau-Zener Theory Applied to Oscillatory Inelastic Total Cross Sections

1970 • 100 citations

The asymptotic solutions of ordinary linear differential equations of the second order, with special reference to the Stokes phenomenon

1934 • 90 citations

Semi-classical treatment of atomic collisions

1970 • 84 citations

Electronic Transitions in Slow Collisions of Atoms and Molecules. I.

1968 • 83 citations

Lyman–α excitation and resonant charge exchange in slow H+–H(1s) collisions

1970 • 82 citations

PHASE-INTEGRAL METHODS I

1962 • 80 citations

Inelastic atomic collisions involving the pseudo-crossing of potential energy surfaces

1964 • 76 citations

Differential cross sections for elastic scattering, resonant charge exchange and excitation in low energy proton-hydrogen collisions

1970 • 63 citations

Electron capture of the accidental resonance type

1959 • 61 citations

Measurements of Electron Capture in Close<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">H</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>-on-He and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">He</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:…

1964 • 60 citations

Proton-Hydrogen Collisions: Molecular Treatment of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="normal">H</mml:mi><mml:mn /><mml:mo>(</mml:mo><mml:mn>2</mml:mn><mml:mi>p</mml:mi><mml:mo>)</mml:mo><mml:mn /></mml:math>Excitation

1971 • 56 citations

Collision Spectroscopy. III. Scattering in Low-Energy Charge-Transfer Collisions of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">He</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>and Ar

1970 • 49 citations

Differential cross sections in proton-hydrogen collisions

1970 • 48 citations

Large angle scattering in slow H⁺-H(1s) collisions

1970 • 39 citations

Curve-crossing in single electron capture collisions

1971 • 36 citations

Electronic Transitions in Slow Collisions of Atoms and Molecules. III. Eikonal Approximation for Nonclassical Scatterings

1970 • 29 citations

Classical Heavy-Particle Trajectories for Electron Capture in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi mathvariant="normal">H</mml:mi></mml:mrow><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:msup></mml:mrow></mml:math>-He Collisions and for Other Asymmetric Collisions

1966 • 29 citations

Non-resonance excitation transfer in atomic collissions induced by dipole-dipole interaction

1968 • 24 citations

Nonadiabatic Transition in the Slow Collision between Heavy Particles

1967 • 10 citations

Excitation Transfer in Nearly Adiabatic Thermal Collisions

1969 • 9 citations

Sufficiency Condition for the Validity of the WKB Approximation

1969 • 8 citations

Forced common turning point procedure and excitation in slow H+H(1s) collisions

1971 • 7 citations

Semi-classical treatment of 1s-2s excitation in e-H collisions

1970 • 3 citations