Chaddah, P. (1978) Electron momentum density in a model substitutionally disordered alloy Journal of Physics C: Solid State Physics, 11 (10). pp. 2001-2007. ISSN 0022-3719
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Official URL: http://iopscience.iop.org/0022-3719/11/10/010
Related URL: http://dx.doi.org/10.1088/0022-3719/11/10/010
Abstract
The electron momentum density is obtained, in the coherent potential approximation, for a substitutionally disordered binary alloy. The Hamiltonian of the single-band alloy is assumed to have, in the tight-binding representation, no off-diagonal disorder. The occupancies of the Bloch states, of the reference ordered Hamiltonian, are numerically evaluated for a BCC lattice with the off-diagonal part of the Hamiltonian having only nearest-neighbour-overlap terms. The results are presented for k along (100) and (111) directions.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Institute of Physics. |
| ID Code: | 84846 |
| Deposited On: | 27 Feb 2012 12:05 |
| Last Modified: | 27 Feb 2012 12:05 |
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