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

Abstract

The three dimensional periodic Anderson model is studied with Quantum Monte Carlo. We find that the cross-over 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.

4 pages, 4 figures

References in corpus (2)

• Volume-Collapse Transitions in the Rare Earth Metals
• Effects of doping on spin correlations in the periodic Anderson model

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