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One- and two-particle excitations in doped Hubbard models

โœ Scribed by Wolfram Brenig; Arno P. Kampf


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
217 KB
Volume
235-240
Category
Article
ISSN
0921-4534

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๐Ÿ“œ SIMILAR VOLUMES


Doping dependence of on-site quantities
โœ F. Mancini; S. Marra; H. Matsumoto ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 256 KB

The two-dimensional Hubbard model is studied by means of the composite operator approach. In a generalized mean-field approximation we calculate local quantities, as the double occupancy and the magnetic moment, for various values of the particle density, repulsive Coulomb interaction and temperatur