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Electronic spectrum in cuprates within p-d Hubbard model
N. Plakida, V. Oudovenko
A microscopic theory for electronic spectrum of the CuO2 plane within an effective p-d Hubbard model is proposed. Dyson equation for the one-electron Green function in terms of the…
Electronic Structure Calculations with Dynamical Mean-Field Theory: A Spectral Density Functional Approach
G. Kotliar, S. Y. Savrasov, K. Haule +3
We present a review of the basic ideas and techniques of the spectral density functional theory which are currently used in electronic structure calculations of strongly-correlated…
Interpolative Approach for Solving the Anderson Impurity Model
S. Y. Savrasov, V. Oudovenko, K. Haule +2
A rational representation for the self--energy is explored to interpolate the solution of the Anderson impurity model in general orbitally degenerate case. Several constrains such…
Electronic structure and magnetic anisotropy of CrO_2
A. Toropova, G. Kotliar, S. Y. Savrasov +1
The problem of importance of strong correlations for the electronic structure, transport and magnetic properties of half--metallic ferromagnetic CrO_2 is addressed by performing de…
Towards realistic electronic structure calculations of strongly correlated electron systems
V. S. Oudovenko, G. Palsson, K. Haule +2
We review some aspects of the realistic implementation of the dynamical mean-field method. We extend the techniques introduced in Ref.[A. Georges, G. Kotliar, W. Krauth, and M.J. R…
The alpha to gamma transition in Ce: a theoretical view from optical spectroscopy
Kristjan Haule, Viktor Oudovenko, Sergej Y. Savrasov +1
Using a novel approach to calculate optical properties of strongly correlated systems, we address the old question of the physical origin of the alpha to gamma transition in Ce. We…