Hubbard's repulsion, self-energy and quasiparticles: Application to YBa2Cu3O7.

M. M. Sánchez-López; J. Costa-Quintana; F. López-Aguilar; I. S. Sandalov

doi:10.1016/S0921-4526(96)00673-4

Hubbard's repulsion, self-energy and quasiparticles: Application to YBa₂Cu₃O₇.

M. M. Sánchez-López, J. Costa-Quintana, F. López-Aguilar, I. S. Sandalov

Department of Physics

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Abstract

The quasiparticle structure of YBa2Cu3O7 is calculated within several approximations to the self-energy (RPA, ERPA, Hubbard I) and the model potential LDA+AMF. The partial DOS and distribution of holes yielded by the different approaches are presented and compared with available experimental data.

Original language	English
Pages (from-to)	909-911
Journal	Physica B: Condensed Matter
Volume	230-232
DOIs	https://doi.org/10.1016/S0921-4526(96)00673-4
Publication status	Published - 1 Oct 1997

Keywords

Hubbard model
YBa Cu O 2 3 7

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10.1016/S0921-4526(96)00673-4

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title = "Hubbard's repulsion, self-energy and quasiparticles: Application to YBa2Cu3O7.",

abstract = "The quasiparticle structure of YBa2Cu3O7 is calculated within several approximations to the self-energy (RPA, ERPA, Hubbard I) and the model potential LDA+AMF. The partial DOS and distribution of holes yielded by the different approaches are presented and compared with available experimental data.",

keywords = "Hubbard model, YBa Cu O 2 3 7",

author = "S{\'a}nchez-L{\'o}pez, \{M. M.\} and J. Costa-Quintana and F. L{\'o}pez-Aguilar and Sandalov, \{I. S.\}",

year = "1997",

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doi = "10.1016/S0921-4526(96)00673-4",

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journal = "Physica B: Condensed Matter",

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T1 - Hubbard's repulsion, self-energy and quasiparticles: Application to YBa2Cu3O7.

AU - Sánchez-López, M. M.

AU - Costa-Quintana, J.

AU - López-Aguilar, F.

AU - Sandalov, I. S.

PY - 1997/10/1

Y1 - 1997/10/1

N2 - The quasiparticle structure of YBa2Cu3O7 is calculated within several approximations to the self-energy (RPA, ERPA, Hubbard I) and the model potential LDA+AMF. The partial DOS and distribution of holes yielded by the different approaches are presented and compared with available experimental data.

AB - The quasiparticle structure of YBa2Cu3O7 is calculated within several approximations to the self-energy (RPA, ERPA, Hubbard I) and the model potential LDA+AMF. The partial DOS and distribution of holes yielded by the different approaches are presented and compared with available experimental data.

KW - Hubbard model

KW - YBa Cu O 2 3 7

UR - https://www.scopus.com/pages/publications/0040569517

U2 - 10.1016/S0921-4526(96)00673-4

DO - 10.1016/S0921-4526(96)00673-4

M3 - Article

SN - 0921-4526

VL - 230-232

SP - 909

EP - 911

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

ER -

Hubbard's repulsion, self-energy and quasiparticles: Application to YBa₂Cu₃O₇.

Abstract

Keywords

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