An exactly solvable model for metal-insu
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J.G. Brankov; N.S. Tonchev; V.A. Zagrebnov
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Article
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1975
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Elsevier Science
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English
โ 111 KB
A simple model of electrons interacting with phonons which displays a metal-insulator phase transition in the case of s.c. and b.c.c, tight-binding bands is studied. A proof is given that the model is exactly solvable in the thermodynamic limit.