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

Journal Article · Mon Mar 01 00:00:00 EST 1999 · Physical Review Letters

DOI:https://doi.org/10.1103/PhysRevLett.82.2342· OSTI ID:321987

Huscroft, C; Scalettar, R T ^[1]; McMahan, A K ^[2]

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1. Physics Department, University of California, Davis, California 95616 (United States)
2. Lawrence Livermore National Laboratory, University of California, Livermore, California 94550 (United States)

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. {copyright} {ital 1999} {ital The American Physical Society}

• Research Organization: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 321987
• Journal Information: Physical Review Letters, Vol. 82, Issue 11; Other Information: PBD: Mar 1999
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
36 MATERIALS SCIENCE
ELECTRONIC STRUCTURE
THREE-DIMENSIONAL CALCULATIONS
MONTE CARLO METHOD
KONDO EFFECT
ENERGY-LEVEL DENSITY
HYBRIDIZATION
THERMODYNAMIC PROPERTIES
MAGNETIC PROPERTIES
CERIUM
PRASEODYMIUM
GADOLINIUM