Single hole dynamics in the CuO2 plane at half filling

J. J.M. Pothuizen; R. Eder; N. T. Hien; M. Matoba; A. A. Menovsky; G. A. Sawatzky

doi:10.1103/PhysRevLett.78.717

Single hole dynamics in the CuO₂ plane at half filling

J. J.M. Pothuizen, R. Eder, N. T. Hien, M. Matoba, A. A. Menovsky, G. A. Sawatzky

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95 Citations (Scopus)

Abstract

We present a k-dependent study of the single hole states in Sr₂CuO₂Cl₂. We demonstrate that the controversial “1 eV peaks” in the high T_c’s are quasiparticles derived from the same O 2p states as the Zhang-Rice (ZR) singlets, but of different symmetry and intensity in those regions of the Brillouin zone where the hybridization with the correlated Cu 3d states vanishes by symmetry. We use this new source of information to estimate the quasiparticle weight of the ZR singlets, discuss the quasiparticle line shape, and suggest a strong k dependence of the self-energy.

Original language	English
Pages (from-to)	717-720
Number of pages	4
Journal	Physical review letters
Volume	78
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevLett.78.717
Publication status	Published - 1997 Jan 27
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.78.717

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title = "Single hole dynamics in the CuO2 plane at half filling",

abstract = "We present a k-dependent study of the single hole states in Sr2CuO2Cl2. We demonstrate that the controversial “1 eV peaks” in the high Tc{\textquoteright}s are quasiparticles derived from the same O 2p states as the Zhang-Rice (ZR) singlets, but of different symmetry and intensity in those regions of the Brillouin zone where the hybridization with the correlated Cu 3d states vanishes by symmetry. We use this new source of information to estimate the quasiparticle weight of the ZR singlets, discuss the quasiparticle line shape, and suggest a strong k dependence of the self-energy.",

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T1 - Single hole dynamics in the CuO2 plane at half filling

AU - Pothuizen, J. J.M.

AU - Eder, R.

AU - Hien, N. T.

AU - Matoba, M.

AU - Menovsky, A. A.

AU - Sawatzky, G. A.

PY - 1997/1/27

Y1 - 1997/1/27

N2 - We present a k-dependent study of the single hole states in Sr2CuO2Cl2. We demonstrate that the controversial “1 eV peaks” in the high Tc’s are quasiparticles derived from the same O 2p states as the Zhang-Rice (ZR) singlets, but of different symmetry and intensity in those regions of the Brillouin zone where the hybridization with the correlated Cu 3d states vanishes by symmetry. We use this new source of information to estimate the quasiparticle weight of the ZR singlets, discuss the quasiparticle line shape, and suggest a strong k dependence of the self-energy.

AB - We present a k-dependent study of the single hole states in Sr2CuO2Cl2. We demonstrate that the controversial “1 eV peaks” in the high Tc’s are quasiparticles derived from the same O 2p states as the Zhang-Rice (ZR) singlets, but of different symmetry and intensity in those regions of the Brillouin zone where the hybridization with the correlated Cu 3d states vanishes by symmetry. We use this new source of information to estimate the quasiparticle weight of the ZR singlets, discuss the quasiparticle line shape, and suggest a strong k dependence of the self-energy.

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Single hole dynamics in the CuO₂ plane at half filling

Abstract

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