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Diagrammatic analysis of the Hubbard model II: Superconducting state
V. A. Moskalenko, L. A. Dohotaru, D. F. Digor +1
Diagrammatic analysis for normal state of Hubbard model proposed in our previous paper [1] is generalized and used to investigate superconducting state of this model. We use the no…
Diagrammatic analysis of the Hubbard model:Stationary property of the thermodynamic potential
V. A. Moskalenko, L. A. Dohotaru, I. D. Cebotari
Diagrammatic approach proposed many years ago for strong correlated Hubbard model is developed for analyzing of the thermodynamic potential properties. The new exact relation betwe…
Diagrammatic theory for Periodic Anderson Model: Stationary property of the thermodynamic potential
V. A. Moskalenko, L. A. Dohotaru, R. Citro
Diagrammatic theory for Periodic Anderson Model has been developed, supposing the Coulomb repulsion of localized electrons as a main parameter of the theory. electrons ar…