Non-linear resonance frequency shifts and saturation effects by oscillating and static applied fields in multi-level systems

Solution of the Schrödinger Equation with a Hamiltonian Periodic in Time

1965 • 2,640 citations

Dressed-atom description of resonance fluorescence and absorption spectra of a multi-level atom in an intense laser beam

1977 • 635 citations

Experimental Evidence of Two-Photon Transition without Doppler Broadening

1974 • 289 citations

Observation of Two-Photon Absorption without Doppler Broadening on the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>3</mml:mn><mml:mi>S</mml:mi><mml:mo>−</mml:mo><mml:mn>5</mml:mn><mml:mi>S</mml:mi></mml:math>Transition in Sodium Vapor

1974 • 282 citations

Direct Observation of Atomic Energy Level Shifts in Two-Photon Absorption

1975 • 174 citations

Hydrogen<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1</mml:mn><mml:mi>S</mml:mi><mml:mo>−</mml:mo><mml:mn>2</mml:mn><mml:mi>S</mml:mi></mml:math>Isotope Shift and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mn>1</mml:mn><mml:mi>S</mml:mi></mml:math>Lamb Shift Measured by Laser Spectroscopy

1975 • 82 citations

Phase and temporal average transition probabilities for a multi-level system in a sinusoidal field

1976 • 55 citations

Interaction between a spin-1/2 atom and a strong rf field

1974 • 52 citations

Soft X-ray spectra of boron and carbon excited by 10 to 40 MeV C, N and O ions

1977 • 49 citations

Microwave Double-Photon Transitions in C<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">D</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>CN and P<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">F</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>

1970 • 46 citations

Quasi-periodic states of an oscillatory hamiltonian

1969 • 43 citations

Possibility of High-Resolution Double-Quantum Laser Spectroscopy in Hydrogen

1973 • 40 citations

Sur le problème des résonances entre plusieurs niveaux dans un ensemble d'atomes orientés

1954 • 40 citations

Quasiperiodic pointwise solutions of the periodic, time-dependent Schrödinger equation

1974 • 40 citations

Multiple-time-scale perturbation theory applied to laser excitation of atoms and molecules

1976 • 29 citations

Induced transition probabilities and energies for the strongly coupled two-level system

1978 • 29 citations

Time dependence of a two-level system for arbitrary sinusoidal field strengths and times

1975 • 27 citations

Atomic level shifts and transition amplitudes in incoming radiation fields

1977 • 27 citations

Laser selective excitation of a three-level atom: Barium

1974 • 22 citations

Dynamic Stark splitting by coupled one- and two-photon resonances

1977 • 21 citations

Electric-field-induced singlet-triplet anticrossings in helium

1977 • 20 citations

Semiclassical theory of two-photon absorption: Absorption and level shifts in a model system

1977 • 20 citations

Semiclassical calculations on one-, two-, three-, and four-photon absorption in truncated models of the hydrogen atom

1977 • 19 citations

On the time-dependent perturbation theory

1970 • 17 citations

Bloch-Siegert shifts and multi-quantum transitions in spin-one systems

1977 • 16 citations

Semiclassical and quantum treatments of the interaction between a polychromatic field and a multilevel quantum system coupled to a photon reservoir

1977 • 14 citations

Multiphoton radiofrequency resonances in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">He</mml:mi></mml:mrow><mml:mrow><mml:mn>4</mml:mn></mml:mrow><mml:mrow /><mml:mrow /><mml:mrow><mml:mo>+</mml:mo></mml:mrow></mml:mmultiscripts></mml:mrow></mml:math>

1976 • 9 citations

Time dependence of a two-level system in a sinusoidal field

1974 • 9 citations

An analogue of Shirley's equation for a spin-1 system

1976 • 7 citations