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Band calculations for Ce compounds with the AuCu$_{3}$-type crystal structurewere carried out on the basis of dynamical mean field theory (DMFT). Theresults of applying the calculation to CeIn$_{3}$ and CeSn$_{3}$ are presentedas the second in a series of papers. The Kondo temperature and crystal-fieldsplitting are obtained, respectively, as 190 and 390 K (CeSn$_{3}$), 8 and 160K (CeIn$_{3}$ under ambient pressure), and 30 and 240 K (CeIn$_{3}$ at apressure of 2.75 GPa). Experimental results for the photoemission spectrum arereasonably well reproduced. In CeSn$_{3}$, a Fermi surface (FS) structuresimilar to that obtained by a refined calculation based on the local densityapproximation (LDA) is obtained. In CeIn$_{3}$, the topology of the FSstructure is different from that obtained by the LDA calculation but seems tobe consistent with the results of de Haas-van Alphen experiments. Cyclotronmass of the correct magnitude is obtained in both compounds. The experimentalresult for the angular correlation of the electron-positron annihilationradiation is reasonably well reproduced on the basis of the itinerant 4fpicture. A band calculation for CeIn$_{3}$ in the antiferromagnetic state wascarried out, and it was shown that the occupied 4f state should have a veryshallow level.

journal of the physical society of japan

Band Calculations for Ce Compounds with AuCu$_{3}$-type Crystal  Structure on the basis of Dynamical Mean Field Theory II. - CeIn$_{3}$ and  CeSn$_{3}$