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Название: The Discrete Tight Binding Approximation
Авторы: Mironov A.L., Oleinik V.L.
Journal of Statistical Physics, Vol. 75. Nos. 1/2. 1994. p. 317-335.
The discrete analog of the tight binding approximation is investigated. Let lambda_0 be some energy level of a real discrete potential q. Then there exists an energy band for a one-dimensional 2N-periodic chain of the same atoms which lies near lambda_0. We study the asymptotic behavior of this band when N tends to infinity.