Method for analyzing the ground state of intermediate-valence systems: Application to metallic SmS

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Abstract

We give a method of obtaining the electronic structure of the ground state of intermediate-valence systems by means of a nonlocal potential deduced by the variations of the total energy with the number of f electrons. In addition, we deduce this potential from the Greens function for interacting f systems and we calculate the band structure and the density of states of golden-phase SmS for several values of the energy U and lattice parameters. © 1988 The American Physical Society.
Original languageEnglish
Pages (from-to)6615-6621
JournalPhysical Review B
Volume37
Issue number12
DOIs
Publication statusPublished - 1 Jan 1988

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