𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Ferromagnetism in orbitally degenerate Hubbard model

✍ Scribed by Sergiu Cojocaru; Roberta Citro; Maria Marinaro

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
173 KB
Volume
359-361
Category
Article
ISSN
0921-4526

No coin nor oath required. For personal study only.

πŸ“œ SIMILAR VOLUMES

Metallic ferromagnetism in an orbitally
Metallic ferromagnetism in an orbitally degenerate system of strongly correlated electrons
✍ Leonid Didukh; Oleksandr Kramar; Yuriy Skorenkyy πŸ“‚ Article πŸ“… 2005 πŸ› Elsevier Science 🌐 English βš– 162 KB

Ferromagnetic ordering in a generalization of the Hubbard model with correlated hopping to the case of twofold orbital degeneracy has been studied. An effective Hamiltonian of the model has been derived for the case of strong intra-atomic Coulomb repulsion and strong Hund's rule coupling. The energy

Ferromagnetic fluctuation and supercondu
Ferromagnetic fluctuation and superconductivity in : FLEX study of multi-orbital Hubbard model
✍ Masahito Mochizuki; Youichi Yanase; Masao Ogata πŸ“‚ Article πŸ“… 2005 πŸ› Elsevier Science 🌐 English βš– 202 KB

Spin and charge fluctuations and superconductivity in Na 0:35 CoO 2 Á 1:3H 2 O are studied based on a multi-orbital Hubbard model. By applying the fluctuation exchange (FLEX) approximation, we show that the Hund's-rule coupling between the Co t 2g orbitals causes ferromagnetic spin fluctuation. Trip

Ferromagnetism of Hubbard models
Ferromagnetism of Hubbard models
✍ E. MΓΌller-Hartmann; Th. Hanisch; R. Hirsch πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 English βš– 239 KB