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Correlated band structure of electron-doped cuprate materials

We present a numerical study of the doping dependence of the spectral function of the n-type cuprates. Using a variational cluster-perturbation theory approach based upon the self-energyfunctional theory, the spectral function of the electron-doped two-dimensional Hubbard model is calculated. The...

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Bibliographic Details
Main Authors:	Dahnken, C., Potthoff, M., Arrigoni, E., Hanke, W.
Format:	Article
Language:	English
Published:	Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2006
Series:	Физика низких температур
Subjects:	Strong Correlations
Online Access:	http://dspace.nbuv.gov.ua/handle/123456789/120195
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id	irk-123456789-120195
record_format	dspace
spelling	irk-123456789-1201952017-06-12T03:04:22Z Correlated band structure of electron-doped cuprate materials Dahnken, C. Potthoff, M. Arrigoni, E. Hanke, W. Strong Correlations We present a numerical study of the doping dependence of the spectral function of the n-type cuprates. Using a variational cluster-perturbation theory approach based upon the self-energyfunctional theory, the spectral function of the electron-doped two-dimensional Hubbard model is calculated. The model includes the next-nearest neighbor electronic hopping amplitude t' and a fixed on-site interaction U - 8t at half-filling and doping levels ranging from x - 0.077 to x - 0.20 . Our results support the fact that a comprehensive description of the single-particle spectrum of electron-doped cuprates requires a proper treatment of strong electronic correlations. In contrast to previous weak-coupling approaches, we obtain a consistent description of the ARPES experiments without the need to (artificially) introduce a doping-dependent on-site interaction U. 2006 Article Correlated band structure of electron-doped cuprate materials / C. Dahnken, M. Potthoff, E. Arrigoni, W. Hanke // Физика низких температур. — 2006. — Т. 32, № 4-5. — С. 602– 608. — Бібліогр.: 33 назв. — англ. 0132-6414 PACS: 74.25.Jb, 74.72.—h http://dspace.nbuv.gov.ua/handle/123456789/120195 en Физика низких температур Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
institution	Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection	DSpace DC
language	English
topic	Strong Correlations Strong Correlations
spellingShingle	Strong Correlations Strong Correlations Dahnken, C. Potthoff, M. Arrigoni, E. Hanke, W. Correlated band structure of electron-doped cuprate materials Физика низких температур
description	We present a numerical study of the doping dependence of the spectral function of the n-type cuprates. Using a variational cluster-perturbation theory approach based upon the self-energyfunctional theory, the spectral function of the electron-doped two-dimensional Hubbard model is calculated. The model includes the next-nearest neighbor electronic hopping amplitude t' and a fixed on-site interaction U - 8t at half-filling and doping levels ranging from x - 0.077 to x - 0.20 . Our results support the fact that a comprehensive description of the single-particle spectrum of electron-doped cuprates requires a proper treatment of strong electronic correlations. In contrast to previous weak-coupling approaches, we obtain a consistent description of the ARPES experiments without the need to (artificially) introduce a doping-dependent on-site interaction U.
format	Article
author	Dahnken, C. Potthoff, M. Arrigoni, E. Hanke, W.
author_facet	Dahnken, C. Potthoff, M. Arrigoni, E. Hanke, W.
author_sort	Dahnken, C.
title	Correlated band structure of electron-doped cuprate materials
title_short	Correlated band structure of electron-doped cuprate materials
title_full	Correlated band structure of electron-doped cuprate materials
title_fullStr	Correlated band structure of electron-doped cuprate materials
title_full_unstemmed	Correlated band structure of electron-doped cuprate materials
title_sort	correlated band structure of electron-doped cuprate materials
publisher	Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
publishDate	2006
topic_facet	Strong Correlations
url	http://dspace.nbuv.gov.ua/handle/123456789/120195
citation_txt	Correlated band structure of electron-doped cuprate materials / C. Dahnken, M. Potthoff, E. Arrigoni, W. Hanke // Физика низких температур. — 2006. — Т. 32, № 4-5. — С. 602– 608. — Бібліогр.: 33 назв. — англ.
series	Физика низких температур
work_keys_str_mv	AT dahnkenc correlatedbandstructureofelectrondopedcupratematerials AT potthoffm correlatedbandstructureofelectrondopedcupratematerials AT arrigonie correlatedbandstructureofelectrondopedcupratematerials AT hankew correlatedbandstructureofelectrondopedcupratematerials
first_indexed	2023-10-18T20:36:30Z
last_indexed	2023-10-18T20:36:30Z
_version_	1796150642839912448

Correlated band structure of electron-doped cuprate materials

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