Abstract
A new phase-shift multiple-scattering approach to the study of the main features of an electron trapped in hydrogenic-like states at solid surfaces (image-induced surface states) is presented. The basic properties of these states are discussed by means of the Green function obtained within the semiclassical path integral method. The Bohr-like quantization condition for the existence of bound surface states was obtained explicitly as poles of the constructed Green function, while the image-induced surface resonances are discussed via the local density of states. Simple calculations of the surface-states binding energy and the local density of states for low-index faces of Al, Au and Cu are also presented.
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