Observation of band renormalization effects in hole-doped high-[formula presented] superconductors

T. Sato, H. Matsui, T. Takahashi, H. Ding, H. B. Yang, S. C. Wang, T. Fujii, T. Watanabe, Azusa Matsuda, T. Terashima, K. Kadowaki

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

We report a systematic high-resolution angle-resolved photoemission spectroscopy on high-[Formula presented] superconductors [Formula presented] ([Formula presented]) to study the origin of many-body interactions responsible for superconductivity. For [Formula presented] and 3, a sudden change in the energy dispersion, so called “kink”, becomes pronounced on approaching ([Formula presented]) in the superconducting state, while a kink appears only around the nodal direction in the normal state. For [Formula presented], the kink shows no significant temperature dependence even across [Formula presented]. This could suggest that the coupling of electrons with [Formula presented] magnetic mode is dominant in the superconducting state for multilayered cuprates, while the interactions at the normal state and that of single-layered cuprates have a different origin.

Original languageEnglish
JournalPhysical Review Letters
Volume91
Issue number15
DOIs
Publication statusPublished - 2003 Jan 1
Externally publishedYes

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cuprates
photoelectric emission
superconductivity
interactions
temperature dependence
high resolution
spectroscopy
electrons
energy

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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Observation of band renormalization effects in hole-doped high-[formula presented] superconductors. / Sato, T.; Matsui, H.; Takahashi, T.; Ding, H.; Yang, H. B.; Wang, S. C.; Fujii, T.; Watanabe, T.; Matsuda, Azusa; Terashima, T.; Kadowaki, K.

In: Physical Review Letters, Vol. 91, No. 15, 01.01.2003.

Research output: Contribution to journalArticle

Sato, T, Matsui, H, Takahashi, T, Ding, H, Yang, HB, Wang, SC, Fujii, T, Watanabe, T, Matsuda, A, Terashima, T & Kadowaki, K 2003, 'Observation of band renormalization effects in hole-doped high-[formula presented] superconductors', Physical Review Letters, vol. 91, no. 15. https://doi.org/10.1103/PhysRevLett.91.157003
Sato, T. ; Matsui, H. ; Takahashi, T. ; Ding, H. ; Yang, H. B. ; Wang, S. C. ; Fujii, T. ; Watanabe, T. ; Matsuda, Azusa ; Terashima, T. ; Kadowaki, K. / Observation of band renormalization effects in hole-doped high-[formula presented] superconductors. In: Physical Review Letters. 2003 ; Vol. 91, No. 15.
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AU - Wang, S. C.

AU - Fujii, T.

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