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arxiv: cond-mat/0508312 · v1 · submitted 2005-08-12 · ❄️ cond-mat.supr-con · cond-mat.str-el

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Orbital selectivity of the kink in the dispersion of Sr2RuO4

H. Iwasawa , Y. Aiura , T. Saitoh , I. Hase , S. I. Ikeda , Y. Yoshida , H. Bando , M. Higashiguchi
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Y. Miura X.Y. Cui K. Shimada H. Namatame M. Taniguchi
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classification ❄️ cond-mat.supr-con cond-mat.str-el
keywords kinkorbitalsr2ruo4dispersionselectivityangle-resolvedbeenclearly
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We present detailed energy dispersions near the Fermi level on the monolayer perovskite ruthenate Sr2RuO4, determined by high-resolution angle-resolved photoemission spectroscopy. An orbital selectivity of the kink in the dispersion of Sr2RuO4 has been found: A kink for the Ru 4d_xy orbital is clearly observed, but not for the Ru 4d_yz and 4d_zx ones. The result provides insight into the origin of the kink.

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