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Many-electron variational ground state of the two-dimensional Anderson lattice

✍ Scribed by Yu Zhou; Samuel P. Bowen; Jay D. Mancini


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
240 KB
Volume
155
Category
Article
ISSN
0375-9601

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πŸ“œ SIMILAR VOLUMES


Ground state properties of the two-dimen
✍ Nobuo Furukawa; Masatoshi Imada πŸ“‚ Article πŸ“… 1991 πŸ› Elsevier Science 🌐 English βš– 171 KB

Two dimensional spin-fermion model is studied by using the perturbation method and the spin wave approximation. Non-crossing diagrams are calculated using the dominant pole approximation. As a result, we see that the renormalization parameter z is reduced as z Β’x L -1;4, where L is the linear dimens