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  • 1
    Electronic Resource
    Electronic Resource
    Spectral functions for the 2D Hubbard model (1995)
    Springer
    Journal of low temperature physics 99 (1995), S. 305-310 
    Details
    ISSN: 1573-7357
    Keywords: 74.20.−z ; 74.65.+n ; 71.28.+d
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Spectral functions and quasiparticle bands are calculated with the modified alloy analogy approximation and are found to be in excellent agreement with the Monte Carlo data of Bulut et al. The Fermi surfaces also agree and have anomalously large volumes for large U near half-filling. In the modified alloy analogy this is a symptom of the breakdown of Fermi liquid theory.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00752298
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The normal and superconducting states of the 2D Hubbard model (1995)
    Springer
    Journal of low temperature physics 99 (1995), S. 403-408 
    Details
    ISSN: 1573-7357
    Keywords: 74.20.−z ; 74.65.+n ; 71.28.+d
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A Green's function decoupling method is shown to yield quasiparticle bands for the 2D Hubbard model in excellent agreement with the Monte Carlo results of Bulut et al. The same approach gives d-wave superconductivity with Tc in the range 10–100K for a band-width of 4eV, on-site interaction U = 2eV and the Fermi level close to a van Hove singularity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00752316
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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