Spectral weight transfer and mass renormalization in Mott-Hubbard systems SrVO3 and CaVO3: Influence of long-range Coulomb interaction

K. Morikawa, T. Mizokawa, K. Kobayashi, A. Fujimori, H. Eisaki, S. Uchida, F. Iga, Y. Nishihara

研究成果: Article査読

114 被引用数 (Scopus)

抄録

We have studied metallic SrVO3 and CaVO3 by inverse photoemission and high-resolution photoemission. In going from Sr to Ca, considerable spectral weight is transferred from the coherent band to the upper and lower Hubbard bands. Meanwhile, the overall intensity rather than the width of the coherent band decreases, implying that the bandwidth remains finite as the system approaches the Mott transition. The result implies that the effect of long-range Coulomb interaction as well as short-range interaction becomes increasingly important towards the transition.

本文言語English
ページ(範囲)13711-13714
ページ数4
ジャーナルPhysical Review B
52
19
DOI
出版ステータスPublished - 1995 1 1
外部発表はい

ASJC Scopus subject areas

  • 凝縮系物理学

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