Phys. Rev. Lett. 32, 774–777 (1974)Surface Electronic Structure via Generalized Wannier FunctionsReceived 31 January 1974; published in the issue dated 8 April 1974 A method which represents surface electronic structure exactly in terms of local functions is tested by applying it to a one-dimensional surface potential. A single four-parameter variational calculation yields continuum and surface-state wave functions for an entire perturbed band. Comparison with exact solutions obtained independently indicates that the calculation is quite accurate. © 1974 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.32.774
DOI:
10.1103/PhysRevLett.32.774
PACS:
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