Abstract
A recently developed time-dependent quantum-mechanical Fourier method is employed for the simulation of scattering atoms from surfaces of solids. The method allows exact calculation of scattering intensities, resonance strengths and lifetimes, in systems with a very large number of populated diffraction peaks. The study applies the method to the He/stepped copper surface. The accuracy of the method is checked by comparing to close coupling results for the He/W system.
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