Phase separation and the segregation principle in the infinite-U spinless Falicov-Kimball model

Abstract

The simplest statistical-mechanical model of crystalline formation (or alloy formation) that includes electronic degrees of freedom is solved exactly in the limit of large spatial dimensions and infinite interaction strength. The solutions contain both second-order phase transitions and first-order phase transitions (that involve phase-separation or segregation) which are likely to illustrate the basic physics behind the static charge-stripe ordering in cuprate systems. In addition, we find the spinodal-decomposition temperature satisfies an approximate scaling law.

19 pages and 10 figures

References in corpus (3)

• Nonlocal Dynamical Correlations of Strongly Interacting Electron Systems
• Energetics of Domain Walls in the 2D t-J model
• Landau Theory of Stripe Phases in Cuprates and Nickelates

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