Electron trajectories 10 Above-threshold ionization 8 Ionization 8 Analytical expressions 4 Coherent superpositions 4 Diffraction 4 Diffraction process 4 Dinger equation 4 Interference patterns 4 Intracycle interferences 4 Optical cycles 4 Photoelectron spectroscopy 4 Photoelectron spectrum 4 Photoelectrons 4 Short laser pulse 4 Three dimensional 4 Time-dependent 4 3-D problems 2 Atomic spectroscopy 2 Coarse-grained structure 2 Continuum distorted waves 2 Coulomb blockade 2 Coulomb potential 2 Distorted-wave calculations 2 Distortion (waves) 2 Doubly differential 2 Electric fields 2 Electron distributions 2 Emission spectroscopy 2 Femtoseconds 2