We consider the neutral, one-dimensional Falicov-Kimball model at zero temperature in the limit of a large electron-ion attractive potential, U. By calculating the general n-ion interaction terms to leading order in 1/U we argue that the ground state of the model exhibits the behaviour of a complete devil's staircase.
A complete devil's staircase in the Falicov-Kimball model
Micheletti, Cristian;
1997-01-01
Abstract
We consider the neutral, one-dimensional Falicov-Kimball model at zero temperature in the limit of a large electron-ion attractive potential, U. By calculating the general n-ion interaction terms to leading order in 1/U we argue that the ground state of the model exhibits the behaviour of a complete devil's staircase.File in questo prodotto:
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