Numéro |
J. Phys. I France
Volume 4, Numéro 1, January 1994
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|
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Page(s) | 133 - 138 | |
DOI | https://doi.org/10.1051/jp1:1994126 |
References of J. Phys. I France 4 133-138
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A rather simple calculation gives one a first estimate of the band width: the infinite system of coupled equations contained in the tight-binding eigenvalue equation
everywhere positive) is truncated to a small set of approximate equations written for the six local environments, which can be solved for the energy Emax analytically. The value (necessarily approximate) obtained agrees with the result of numerical diagonalization
4.2.
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