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cond-mat.str-el2011
Evolution of the spectrum and the metal-insulator transition in local approximations for many-electron models
A. O. Anokhin, A. V. Zarubin, V. Yu. Irkhin
In the framework of the many-electron s-d exchange model and Hubbard model, self-consistent equations are derived for the one-particle retarded Green's function in the many-electro…
cond-mat.str-el2011★ 6 cited
Ferromagnetism, spiral magnetic structures and phase separation in the two-dimensional Hubbard model
P. A. Igoshev, A. V. Zarubin, A. A. Katanin +1
The quasistatic approximation and equation-of-motion decoupling for the electron Green's functions are applied to trace the effect of electronic dispersion and electron correlation…