Application of the Method of Cyclic Permutations to the Calculation of Many-Electron Systems. Polaron States in Emery Model
The problem of the reducing of some strong correlated models to the spin ones is discussed. The Hubbard model with infinite interaction on rectangular lattice and one-dimensional Emery model are considered. For latter the spectrum of polaron states, which are formed by an additional hole, is calculated.
KeywordsHubbard Model Cyclic Permutation Spin Configuration Rectangular Lattice Polaron State
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