Ground State Properties Of The One-Dimensional Hubbard Model: Symmetry Projected Variational Wave Function Approach

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dc.contributor.authorOnaiwu Kingsley Nosakhare
dc.contributor.authorOkanigbuan Robinson O
dc.date.accessioned2025-06-02T13:55:10Z
dc.date.available2025-06-02T13:55:10Z
dc.date.issued2021
dc.description.abstractWe use the C4v symmetry group of the 4*site Hubbard model to construct a ground state variational wave function of two- and four interacting electrons. In the limit U 0, ground state energies of the two- and four interacting electrons system is of the order *4t. The variational wave function of the four interacting electrons obtained using the B1 irreducible representation is valid for on-site Coulomb repulsion, while the one obtained using the A1 representation is valid for negative values of the Coulomb interaction. The system exhibits antiferromagnetic correlations.
dc.identifier.citationOnaiwu, K. N. and Okanigbuan, R. O. (2021). Ground State Properties Of The One-Dimensional Hubbard Model: Symmetry Projected Variational Wave Function Approach. arXiv preprint.
dc.identifier.urihttps://repository.crawforduniversity.edu.ng/handle/123456789/226
dc.language.isoen
dc.publisherarXiv preprint
dc.titleGround State Properties Of The One-Dimensional Hubbard Model: Symmetry Projected Variational Wave Function Approach
dc.typeArticle
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