Similarities between the Hubbard and Periodic Anderson Models at Finite Temperatures

Phys. Rev. Lett. 85, 373 – Published 10 July 2000
K. Held, C. Huscroft, R. T. Scalettar, and A. K. McMahan


The single band Hubbard and the two band periodic Anderson Hamiltonians have traditionally been applied to rather different physical problems—the Mott transition and itinerant magnetism, and Kondo singlet formation and scattering off localized magnetic states, respectively. In this paper, we compare the magnetic and charge correlations, and spectral functions, of the two systems. We show quantitatively that they exhibit remarkably similar behavior, including a nearly identical topology of the finite temperature phase diagrams at half filling. We address potential implications of this for theories of the rare earth “volume collapse” transition.


  • Received 3 May 1999
  • Published in the issue dated 10 July 2000

© 2000 The American Physical Society

Authors & Affiliations

K. Held1, C. Huscroft2, R. T. Scalettar3, and A. K. McMahan4

  • 1Theoretische Physik III, Universität Augsburg, 86135 Augsburg, Germany
  • 2Physics Department, University of Cincinnati, Cincinnati, Ohio 45221-0011
  • 3Physics Department, University of California, Davis, California 95616
  • 4Lawrence Livermore National Laboratory, University of California, Livermore, California 94550

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