Momentum dependence of photoemission spectra for high-Tc superconductors

H. J. Schmidt; Y. Kuramoto

doi:10.1016/0921-4526(90)90236-N

Momentum dependence of photoemission spectra for high-T_c superconductors

H. J. Schmidt, Y. Kuramoto

SCI - Physics

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

This paper discusses the validity of the band picture in high-T_c superconductors on the basis of rigorus spectroscopic results for a Cu₄O₈ cluster. The calculated single particle spectra at low energies are qualitatively consistent with the band model. However, a large energy gap appears in the undoped ground state where a four-spin interaction is found to be important.

Original language	English
Pages (from-to)	443-445
Number of pages	3
Journal	Physica B: Physics of Condensed Matter
Volume	163
Issue number	1-3
DOIs	https://doi.org/10.1016/0921-4526(90)90236-N
Publication status	Published - 1990 Apr

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1016/0921-4526(90)90236-N

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Cite this

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title = "Momentum dependence of photoemission spectra for high-Tc superconductors",

abstract = "This paper discusses the validity of the band picture in high-Tc superconductors on the basis of rigorus spectroscopic results for a Cu4O8 cluster. The calculated single particle spectra at low energies are qualitatively consistent with the band model. However, a large energy gap appears in the undoped ground state where a four-spin interaction is found to be important.",

author = "Schmidt, {H. J.} and Y. Kuramoto",

note = "Funding Information: We thank Y. Honda for his assistance in the programming. H.J.S. gratefully acknowledges discussions with Prof. H. Shiba and would like to thank the Japan Society for the Promotion of Science for financial support. Copyright: Copyright 2014 Elsevier B.V., All rights reserved.",

year = "1990",

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doi = "10.1016/0921-4526(90)90236-N",

language = "English",

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AU - Schmidt, H. J.

AU - Kuramoto, Y.

N1 - Funding Information: We thank Y. Honda for his assistance in the programming. H.J.S. gratefully acknowledges discussions with Prof. H. Shiba and would like to thank the Japan Society for the Promotion of Science for financial support. Copyright: Copyright 2014 Elsevier B.V., All rights reserved.

PY - 1990/4

Y1 - 1990/4

N2 - This paper discusses the validity of the band picture in high-Tc superconductors on the basis of rigorus spectroscopic results for a Cu4O8 cluster. The calculated single particle spectra at low energies are qualitatively consistent with the band model. However, a large energy gap appears in the undoped ground state where a four-spin interaction is found to be important.

AB - This paper discusses the validity of the band picture in high-Tc superconductors on the basis of rigorus spectroscopic results for a Cu4O8 cluster. The calculated single particle spectra at low energies are qualitatively consistent with the band model. However, a large energy gap appears in the undoped ground state where a four-spin interaction is found to be important.

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