Magnetic and Thermodynamic Properties of the Three-Dimensional Periodic Anderson Hamiltonian

Carey Huscroft, A. K. McMahan, and R. T. Scalettar
Phys. Rev. Lett. 82, 2342 – Published 15 March 1999
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Abstract

The three-dimensional periodic Anderson model is studied with the quantum Monte Carlo method. We find that the crossover to the Kondo singlet regime is remarkably sharp at low temperatures, and that the behavior of magnetic correlations is consistently reflected in both the thermodynamics and the density of states. The abruptness of the transition suggests that energy changes associated with the screening of local moments by conduction electrons might be sufficient to drive large volume changes in systems where applied pressure tunes the ratio of interband hybridization to correlation energy.

  • Received 8 September 1998

DOI:https://doi.org/10.1103/PhysRevLett.82.2342

©1999 American Physical Society

Authors & Affiliations

Carey Huscroft1, A. K. McMahan2, and R. T. Scalettar1

  • 1Physics Department, University of California, Davis, California 95616
  • 2Lawrence Livermore National Laboratory, University of California, Livermore, California 94550

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Vol. 82, Iss. 11 — 15 March 1999

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