Photoelectron spectrum 12 Photoelectron spectroscopy 10 Ionization 8 Above-threshold ionization 6 Laser pulses 6 Photoelectrons 6 Photons 6 Short laser pulse 6 Atom lasers 4 Dinger equation 4 Electron trajectories 4 Intracycle interferences 4 Time-dependent 4 3-D problems 2 Analytical expressions 2 Angular distribution 2 Atomic hydrogen 2 Atomic ionization 2 Atoms 2 Band structure 2 Band structure effects 2 Bound state 2 Close coupling 2 Coarse-grained structure 2 Coherent superpositions 2 Continuum distorted waves 2 Coulomb-Volkov wave function 2 Coulomb-Volkov wavefunction 2 Crystallographic orientations 2 Diffraction 2