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cond-mat.str-el2006
Single-particle spectrum for a model of fermions interacting with two-level local excitations on a lattice: A dynamical CPA approach
A. O. Anokhin, A. V. Zarubin, V. Yu. Irkhin
The problem of motion of a single electron interacting with a periodic lattice of two-level systems is investigated within a spinless fermion model. The Green's function is calcula…
cond-mat.str-el2006★ 9 cited
Spectral functions of 2D systems with coupling of electrons to collective or localized spin degrees of freedom
A. A. Katanin, V. Yu. Irkhin
The spectral properties of itinerant 2D systems with (nearly) ferromagnetic ground state are studied within the spin-fermion and the classical s-d exchange models. While the former…