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Application of Composite-Fermion Theory to the Strongly Correlated Hubbard Model: Exact Ground-State Energy

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Nonlinear Coherent Structures in Physics and Biology

Part of the book series: NATO ASI Series ((NSSB,volume 329))

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Abstract

Recently, within the context of strongly interacting lattice fermions, composite particle theories have been put forward, resulting in a slave-boson1 or slave-fermion2 representation of electrons. In this work our primary interest is in a slave-fermion treatment of the infinite-U Hubbard model. A possible application leads to the development of a new class of variational wavefunctions3, 4. We shall show that a modification of this variational scheme is able to reproduce the exact ground-state energy.

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Author information

Authors and Affiliations

  1. Physikalisches Institut, Universität Bayreuth, 95440, Bayreuth, Germany

    Udo Pecher & Sigrid M. Weber

Authors
  1. Udo Pecher
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  2. Sigrid M. Weber
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Editor information

Editors and Affiliations

  1. Heinrich-Heine University, Düsseldorf, Düsseldorf, Germany

    K. H. Spatschek

  2. University of Bayreuth, Bayreuth, Germany

    F. G. Mertens

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© 1994 Springer Science+Business Media New York

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Pecher, U., Weber, S.M. (1994). Application of Composite-Fermion Theory to the Strongly Correlated Hubbard Model: Exact Ground-State Energy. In: Spatschek, K.H., Mertens, F.G. (eds) Nonlinear Coherent Structures in Physics and Biology. NATO ASI Series, vol 329. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-1343-2_31

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  • DOI: https://doi.org/10.1007/978-1-4899-1343-2_31

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4899-1345-6

  • Online ISBN: 978-1-4899-1343-2

  • eBook Packages: Springer Book Archive

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