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Hubbard Operators in the Theory of Strongly Correlated Electrons

Hubbard Operators in the Theory of Strongly Correlated Electrons is available to download free in pdf / epub format.

Hubbard Operators in the Theory of Strongly Correlated Electrons

This book provides the first systematic discourse on a very peculiar approach to the theory of strongly correlated systems. Hubbard X-operators have been known for a long time but have not been widely used because of their awkward algebra. The book shows that it is possible to deal with X-operators even in the general multilevel local Eigen state system, and not just in the case of the no degenerate Hubbard model. X-operators provide the natural language for describing quasi particles in the Hubbard sub bands with unusual doping and temperature-dependent band structures.

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