Spectral density of surface states: Clean W(001) surface |
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Authors: | Bernardo Laks C.E.T. Gonçalves da Silva |
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Affiliation: | Instituto de Física “Gleb Wataghin”, Universidade Estadual de Campinas 13100 Campinas, S.P., Brazil |
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Abstract: | The transfer matrix approach is applied to calculate the spectral density of electronic states for the W(001) surface. We use a tight-binding hamiltonian with a nine function basis: 6s, 6p and 5d. Results for points along the Σ and ? symmetry lines are presented for occupied states. Both surface and bulk features of the spectral density are in good agreement with angularly resolved photoemission spectra. |
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