The Hubbard model on the triangular lattice: a slave-boson study
β Scribed by Feiguin, A; Gazza, C J; Trumper, A E; Ceccatto, H A
- Book ID
- 121877599
- Publisher
- Institute of Physics
- Year
- 1997
- Tongue
- English
- Weight
- 297 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0953-8984
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π SIMILAR VOLUMES
We consider the one band Hubbard model in the Slave Bosom formulation first introduced by Kotliar a.ud Ruckenstein. Applying a modified Mean Field Approxima.tion (MFA), I 1 11 w lit I a ows for broken symmetry st,ates, we numerically determine the values of the involved Bose fields at the saddle poi
We investigate a magnetic transition in the half-filled Hubbard model on the triangular lattice. By making use of the path-integral renormalization group (PIRG) method with a spin-rotated frame, we calculate the ground state energy and charge/spin correlation functions for a cluster with 36 sites. W