Asymptotic behavior of energy band associated with a negative energy level |
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| Authors: | V. L. Oleinik |
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| Affiliation: | (1) Institut für Theoretische Physik, Freie Universitär Berlin, D-1000 Berlin 33, West Germany |
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| Abstract: | The mathematical foundation of the tight binding approximation is given. If  0 is a negative energy level of a real potentialq, then there exists an energy band for a one-dimensional chain with period 2T of the same atoms which lies near 0. We study this band whenT tends to infinity.On leave of absence from the Department of Physics, Leningrad State University, Leningrad, USSR. |
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| Keywords: | Tight binding approximation negative energy level one-dimensional chain energy band |
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