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Circulating-current phase in the three-band model for two-leg CuO ladders

✍ Scribed by S. Nishimoto; E. Jeckelmann; D.J. Scalapino

Book ID
108240046
Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
216 KB
Volume
470
Category
Article
ISSN
0921-4534

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Superconductivity, phase separation and
Superconductivity, phase separation and charge transfer instability in the U = ∞ limit of the three band model of the CuO2 planes
✍ Yunkiu Bang; C. Castellani; C. Di Castro; M. Grilli; G. Kotliar; R. Raimondi πŸ“‚ Article πŸ“… 1991 πŸ› Elsevier Science 🌐 English βš– 300 KB

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