Hole binding in an extended multi-band hubbard model

W. H. Stephan; Wolfgang von der Linden; Peter Horsch

doi:10.1142/S0217979288000834

Hole binding in an extended multi-band hubbard model

W. H. Stephan, Wolfgang von der Linden, Peter Horsch

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

Abstract

An extended multi-band Hubbard model for the 2D CuO2 planes of high Tc superconductors is examined by exact diagonalization of the Hamiltonian for small clusters with periodic boundary conditions. Holes are shown to bind in the limit of strong onsite (Cu) and nearest neighbor (Cu-O) Coulomb repulsion. A simple explanation of the source of the binding energy is given in this strong-coupling limit.

Original language	English
Pages (from-to)	1005-1009
Number of pages	5
Journal	International Journal of Modern Physics B
Volume	02
Issue number	05
DOIs	https://doi.org/10.1142/S0217979288000834
Publication status	Published - 1 Oct 1988
Externally published	Yes

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http://www.worldscientific.com/doi/abs/10.1142/S0217979288000834

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title = "Hole binding in an extended multi-band hubbard model",

abstract = "An extended multi-band Hubbard model for the 2D CuO2 planes of high Tc superconductors is examined by exact diagonalization of the Hamiltonian for small clusters with periodic boundary conditions. Holes are shown to bind in the limit of strong onsite (Cu) and nearest neighbor (Cu-O) Coulomb repulsion. A simple explanation of the source of the binding energy is given in this strong-coupling limit.",

author = "Stephan, {W. H.} and {von der Linden}, Wolfgang and Peter Horsch",

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AU - Stephan, W. H.

AU - von der Linden, Wolfgang

AU - Horsch, Peter

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N2 - An extended multi-band Hubbard model for the 2D CuO2 planes of high Tc superconductors is examined by exact diagonalization of the Hamiltonian for small clusters with periodic boundary conditions. Holes are shown to bind in the limit of strong onsite (Cu) and nearest neighbor (Cu-O) Coulomb repulsion. A simple explanation of the source of the binding energy is given in this strong-coupling limit.

AB - An extended multi-band Hubbard model for the 2D CuO2 planes of high Tc superconductors is examined by exact diagonalization of the Hamiltonian for small clusters with periodic boundary conditions. Holes are shown to bind in the limit of strong onsite (Cu) and nearest neighbor (Cu-O) Coulomb repulsion. A simple explanation of the source of the binding energy is given in this strong-coupling limit.

U2 - 10.1142/S0217979288000834

DO - 10.1142/S0217979288000834

M3 - Article

SN - 0217-9792

VL - 02

SP - 1005

EP - 1009

JO - International Journal of Modern Physics B

JF - International Journal of Modern Physics B

IS - 05

ER -

Hole binding in an extended multi-band hubbard model

Abstract

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