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The ferromagnetic phase of the two-dimensional Hubbard model

✍ Scribed by D.M. Edwards; W. von der Linden


Book ID
113317243
Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
158 KB
Volume
104-107
Category
Article
ISSN
0304-8853

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Phase diagram of two-dimensional electro
✍ Kenichi Asano; Tetsuo Ogawa πŸ“‚ Article πŸ“… 2008 πŸ› Elsevier Science 🌐 English βš– 133 KB

We investigated the ground state of the electron-hole Hubbard model by the slave-boson mean field approximation, taking into account the spin degrees of freedom of electrons and holes. We find three phases: electron-hole plasma, exciton-gas, and biexciton-gas phases.