Short range order effects and the Falicov-Kimball model
✍ Scribed by Gastón Martínez; Jaime Rössler; Miguel Kiwi
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 228 KB
- Volume
- 53
- Category
- Article
- ISSN
- 0038-1098
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## Abstract The ground‐state properties of the three‐dimensional spinless Falicov‐Kimball model are studied by a wellcontrolled numerical method. The results obtained are used to categorize the ground‐state configurations according to common features for weak, intermediate and strong interactions.
## Abstract The short‐range order contribution to the internal energy in Ising models is calculated in an effective type treatment. However, the method incorporates correlation effects through a phenomenological approach and the results obtained are an improvement over other effective field calcula