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We present an approach for self-consistent calculations of the many-bodyGreen function in transition metals. The distinguishing feature of our approachis the use of the one-site approximation and the self-consistent quasiparticlewave function basis set, obtained from the solution of the Schrodinger equationwith a nonlocal potential. We analyze several sets of skeleton diagrams asgenerating functionals for the Green function self-energy, including GW andfluctuating exchange sets. Their relative contribution to the electronicstructure in 3d-metals was identified. Calculations for Fe and Ni revealedstronger energy dependence of the effective interaction and self-energy of thed-electrons near the Fermi level compared to s and p electron states.Reasonable agreement with experimental results is obtained

Self-Consistent Green Function Approach for Calculation of Electronic Structure in Transition Metals