Abstract
The purpose of this chapter is to explain one of the most interesting limits of the Hubbard model, that is, the strong coupling limit or atomic limit as was introduced in chapter 7 following the early days terminology. This limit is supposed to be of great relevance in the description of the high-T c superconductivity, for it is apparent that to take into account strong correlation effects between the electrons in the CuO 2 conducting planes it is necessary that the Coulomb repulsion U be large as compared to the kinetic energy t-term.
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References
Balachandran, A.P., Ercolessi, E., Morandi, G., Srivastava, A.M., Hubbard Model and Anyon Superconductivity Lecture Notes in Physics. Vol. 38. World Scientific.
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© 1995 Springer-Verlag Berlin Heidelberg
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(1995). Strong Coupling Limit and Some Exact Results. In: Quantum Electron Liquids and High-T c Superconductivity. Lecture Notes in Physics Monographs, vol 38. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-47678-8_8
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DOI: https://doi.org/10.1007/978-3-540-47678-8_8
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