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Sun P, Kotliar G. Extended dynamical mean field theory study of the periodic Anderson model. Phys Rev Lett. 2003;91(3):037209doi: 10.1103/PhysRevLett.91.037209.
Sun, P., & Kotliar, G. (2003). Extended dynamical mean field theory study of the periodic Anderson model. Physical review letters, 91(3), 037209. https://doi.org/10.1103/PhysRevLett.91.037209
Sun, Ping, and Kotliar, Gabriel. "Extended dynamical mean field theory study of the periodic Anderson model." Physical review letters vol. 91,3 (2003): 037209. doi: https://doi.org/10.1103/PhysRevLett.91.037209
Sun P, Kotliar G. Extended dynamical mean field theory study of the periodic Anderson model. Phys Rev Lett. 2003 Jul 18;91(3):037209. doi: 10.1103/PhysRevLett.91.037209. Epub 2003 Jul 18. PMID: 12906452.
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Phys Rev Lett. 2003 Jul 18;91(3):037209. doi: 10.1103/PhysRevLett.91.037209. Epub 2003 Jul 18.

Extended dynamical mean field theory study of the periodic Anderson model.

Physical review letters

Ping Sun, Gabriel Kotliar

Affiliations

  1. Center for Materials Theory, Department of Physics and Astronomy, Rutgers University, Piscataway, New Jersey 08854-8019, USA.

PMID: 12906452 DOI: 10.1103/PhysRevLett.91.037209

Abstract

We investigate the competition of the Kondo and the RKKY interactions in heavy fermion systems. We solve a periodic Anderson model using extended dynamical mean field theory (EDMFT) with quantum Monte Carlo method. We monitor simultaneously the evolution of the electronic and magnetic properties. As the RKKY coupling increases the heavy fermion quasiparticle unbinds and a local moment forms. At a critical RKKY coupling there is an onset of magnetic order. Within EDMFT the two transitions occur at different points and the disappearance of the magnetism is not described by a local quantum critical point.

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