Hubbard's repulsion, self-energy and quasiparticles: Application to YBa<inf>2</inf>Cu<inf>3</inf>O<inf>7</inf>

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 YBa<inf>2</inf>Cu<inf>3</inf>O<inf>7</inf>

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

Department of Physics

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

1 Citation (Scopus)

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 Jan 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.}",

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AU - Sánchez-López, M. M.

AU - Costa-Quintana, J.

AU - López-Aguilar, F.

AU - Sandalov, I. S.

PY - 1997/1/1

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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

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

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

M3 - Article

VL - 230-232

SP - 909

EP - 911

JO - Physica B: Condensed Matter

JF - Physica B: Condensed Matter

SN - 0921-4526

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