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Non-Fermi Liquid Behavior of Electrons in the 2D Honeycomb Lattice: A Renormalization Group Analysis

  • J. González
  • M. A. KH. Vozmediano
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  • 379 Downloads
Part of the NATO ASI Series book series (NSSB, volume 343)

Abstract

The theory of the Fermi liquid and the perturbations of it that lead to te BCS and charge density wave instabilities have recently been rephrased as effective field theories[1,2,3] to which renormalization group techniques can be applied[4]. The main objection to this approach, as has been emphasized by Anderson in this conference, is the deep difference existing between the simple single point vacuum of the quantum field theory and the complicated many-body vacuum.

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References

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    G. Benfatto and G. Gallavotti, J. Stat. Phys. 59:541 (1990) 541; Phys. Rev. B42:9967 (1990).MathSciNetADSzbMATHCrossRefGoogle Scholar
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    J. Polchinski, “Effective field theory and the Fermi surface”, hep-th-9210046.Google Scholar
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    R. Shankar, Physica A177:530 (1991). For an extense review see R. Shankar, “Renormalization group approach to interacting fermions”, Rev. Mod. Phys., to appear.MathSciNetADSGoogle Scholar
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    K.G. Wilson, Phys. Rev. B4:3184 (1971).ADSGoogle Scholar
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    J. González, F. Guinea, and M. A. H. Vozmediano, Nucl. Phys. B406:771 (1993).ADSCrossRefGoogle Scholar
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    P. Ramond, Field Theory. A Modern Primer. (Benjamin/Cummings, London, 1981).Google Scholar

Copyright information

© Springer Science+Business Media New York 1995

Authors and Affiliations

  • J. González
    • 1
  • M. A. KH. Vozmediano
    • 2
  1. 1.Instituto de Estructura de la MateriaConsejo Superior de InvestigacionesMadridSpain
  2. 2.Departamento de IngenieríaUniversidad Carlos III de MadridLeganés MadridSpain

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