Segregation and charge-density-wave order in the spinless Falicov-Kimball model

Abstract

The spinless Falicov-Kimball model is solved exactly in the limit of infinite-dimensions on both the hypercubic and Bethe lattices. The competition between segregation, which is present for large U, and charge-density-wave order, which is prevalent at moderate U, is examined in detail. We find a rich phase diagram which displays both of these phases. The model also shows nonanalytic behavior in the charge-density-wave transition temperature when U is large enough to generate a correlation-induced gap in the single-particle density of states.

10 pages, 10 figures

References in corpus (3)

• Landau Theory of Stripe Phases in Cuprates and Nickelates
• Anomalous magnetic response of the spin-one-half Falicov-Kimball model
• Phase separation and the segregation principle in the infinite-U spinless Falicov-Kimball model

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