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Effects of electron and hole dopings on the superconducting pairings of quasiparticles in the three-band CuO2 model

โœ Scribed by Hiroyuki Kaga; T. Saikawa


Book ID
108024749
Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
807 KB
Volume
169
Category
Article
ISSN
0921-4534

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Superconductivity, phase separation and
โœ Yunkiu Bang; C. Castellani; C. Di Castro; M. Grilli; G. Kotliar; R. Raimondi ๐Ÿ“‚ Article ๐Ÿ“… 1991 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 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