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Long-range order in a simple model of interacting fermions

✍ Scribed by Pirmin Lemberger; Nicolas Macris

Publisher
Springer
Year
1993
Tongue
English
Weight
473 KB
Volume
28
Category
Article
ISSN
0377-9017

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πŸ“œ SIMILAR VOLUMES

From phase separation to long-range orde
From phase separation to long-range order in a system of interacting electrons
✍ Volodymyr Derzhko; Janusz JΘ©drzejewski πŸ“‚ Article πŸ“… 2003 πŸ› Elsevier Science 🌐 English βš– 298 KB

We study a system composed of fermions (electrons), hopping on a square lattice, and of immobile particles (ions), that is described by the spinless Falicov-Kimball Hamiltonian augmented by a next-nearest-neighbor attractive interaction between the ions (a nearest-neighbor repulsive interaction betw