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On the metal-insulator phase transition in two exactly solvable models

โœ Scribed by J.G. Brankov; N.Ch. Pesheva


Publisher
Elsevier Science
Year
1983
Tongue
English
Weight
785 KB
Volume
122
Category
Article
ISSN
0378-4371

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๐Ÿ“œ SIMILAR VOLUMES


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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.

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The critical behaviour of an exactly solvable model with developed classical and quantum fluctuations depending on the temperature, the quantum parameter and the space dimension, is studied. The critical exponents on the whole phase diagram, including two multicritical points (quantum and classical)