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Linked-cluster expansion around the atomic limit of the Hubbard model

โœ Scribed by Metzner, Walter


Book ID
111863018
Publisher
The American Physical Society
Year
1991
Tongue
English
Weight
688 KB
Volume
43
Category
Article
ISSN
1098-0121

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๐Ÿ“œ SIMILAR VOLUMES


Hubbard model in high dimensions: A pert
โœ Walter Metzner ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 224 KB

We discuss a perturbation expansion about the atomic limit of the Hubbard model, i.e. the inter-atomic hopping of electrons is treated as a perturbation. Diagrammatic rules for the calculation of the Green's function of the d-dimensional Hubbard model are described. In the limit of high lattice dime