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Electron states in the two-band Hubbard model: Paramagnetic phase

โœ Scribed by V. P. Lukin; A. Nun'es


Publisher
Springer US
Year
1994
Tongue
English
Weight
353 KB
Volume
68
Category
Article
ISSN
1573-8795

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Antiferromagnetic state in the three-ban
โœ T. Asahata; A. Oguri; S. Maekawa ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 207 KB

The antiferromagnetic (AFM) state in the three-band Hubbard model on a CuO 2 plane is studied by using both the variational Monte Carlo (VMC) method based on the Gutzwiller wave function and the Rice-Ueda type Gutzwiller approximation (GA). Near half-filling, the VMC energy is significantly improved