Spectral Weight Transfer and Mass Renormalization in Correlated d-Electron Systems
作者： A. Fujimori , K. Morikawa , T. Mizokawa , T. Saitoh , M. Nakamura
DOI: 10.1007/978-3-642-57834-2_15
关键词:
摘要: Effects of electron correlation on the photoemission spectra 3d transition-metal compounds are viewed as self-energy correction to Hartree-Fock or local-density approximation. On metallic side Mott transition, one approaches transition in Ti and V oxides, gradual transfer spectral weight occurs from coherent incoherent part function, i.e., quasi-particle bands Hubbard bands; significant non-local contribution is found discussed relation mass enhancement towards transition. insulating band edges a insulator NiS Kondo FeSi be considerably narrowed due effects.
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