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Inelastical effects in classical field-theoretical models with confinement

✍ Scribed by Yu.A. Simonov; J.A. Tjon

Publisher
Elsevier Science
Year
1980
Tongue
English
Weight
1009 KB
Volume
129
Category
Article
ISSN
0003-4916

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Periodic ground states in simple models
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✍ N. Macris πŸ“‚ Article πŸ“… 1996 πŸ› Elsevier Science 🌐 English βš– 392 KB

A model of itinerant lattice electrons interacting with classical nuclei is studied. The electrons can interact between themselves via a Hubbard on-site term, It is shown that, in the ground state of the half-filled band, the nuclei form a periodic crystal. More precisely for a cubic lattice they fo