The three band Hubbard modal with nearest neighbour repulsion is studied in the U = c~ limit using the slave boson technique and the large N expansion. A charge transfer (CT) instability is found like ill weak coupling theory. The CT instability is always associated with a divergin 8 compressibility
โฆ LIBER โฆ
Symmetry and anisotropic optical spectrum of charge-transfer excitons in the model of CuO2plane
โ Scribed by V. I. Cherepanov; E. N. Kondrashov; A. S. Moskvin
- Book ID
- 110119387
- Publisher
- SP MAIK Nauka/Interperiodica
- Year
- 2000
- Tongue
- English
- Weight
- 103 KB
- Volume
- 42
- Category
- Article
- ISSN
- 1063-7834
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