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Free keywords:
Strong-field, multiphoton, above-threshold, photoemission,
inhomogeneous field, electron scattering, rescattering,
kinetic energy distribution, cutoff energy, simple-man model
Abstract:
This article presents a quantum mechanical treatment of strong-field photoelectron emission from nanostructures. The effects of a spatial inhomogeneity of the optical near-field are identified. Furthermore, the importance of electron scattering at the surface is elucidated by contrasting simulations with and without backscattering. Convincing agreement with experimental data under various conditions is demonstrated.
