Photoelectron and bremsstrahlung spectra of Ce metals

Akimasa Sakuma, Yoshio Kuramoto, Takeshi Watanabe

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

The characteristic features observed in photoelectron and bremsstrahlung isochromat spectra of - and -type Ce metals are interpreted by calculating the 4f-related density of states deduced from the 4f Greens function. Our model Hamiltonian includes Anderson-type mixing, which is assumed to be spherically symmetric around the Ce ion, and the f-level degeneracy and spin-orbit splitting are explicitly considered. The resolvent operator is expanded in a power series of the mixing potential, and the power series is summed by taking only noncrossing diagrams. The photoelectron spectrum of -Ce is well reproduced using a set of parameters which also fit the 4f electron number and the magnetic susceptibility. Another set of parameters appropriate for the spectrum of -Ce gives less satisfactory results for the static properties.

Original languageEnglish
Pages (from-to)2231-2237
Number of pages7
JournalPhysical Review B
Volume34
Issue number4
DOIs
Publication statusPublished - 1986 Jan 1

ASJC Scopus subject areas

  • Condensed Matter Physics

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