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Amaricci, A.; De'Medici, L.; Sordi, G.; Rozenberg, M.J.; Capone, M. "Path to poor coherence in the periodic Anderson model from Mott physics and hybridization" (2012) Physical Review B - Condensed Matter and Materials Physics. 85(23)
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Abstract:

We investigate the anomalous metal arising from hole-doping the Mott insulating state in the periodic Anderson model. Using dynamical mean-field theory we show that, as opposed to the electron-doped case, in the hole-doped regime the hybridization between localized and delocalized orbitals leads to the formation of composite quasiparticles reminiscent of the Zhang-Rice singlets. We compute the coherence temperature of this state, showing its extremely small value at low doping. As a consequence the weakly doped Mott state deviates from the predictions of Fermi-liquid theory already at small temperatures. The onset of the Zhang-Rice state and of the consequent poor coherence is due to the electronic structure in which both localized and itinerant carriers have to be involved in the formation of the conduction states and to the proximity to the Mott state. By investigating the magnetic properties of this state, we discuss the relation between the anomalous metallic properties and the behavior of the magnetic degrees of freedom. © 2012 American Physical Society.

Registro:

Documento: Artículo
Título:Path to poor coherence in the periodic Anderson model from Mott physics and hybridization
Autor:Amaricci, A.; De'Medici, L.; Sordi, G.; Rozenberg, M.J.; Capone, M.
Filiación:CNR-IOM, SISSA, Via Bonomea 265, 34136 Trieste, Italy
Laboratoire de Physique des Solides, CNRS-UMR8502, Université Paris-Sud, Orsay 91405, France
Theory Group, Institut Laue Langevin, 6 Rue J. Horowitz, 38042 Grenoble, France
Departamento de Física, FCEN, Pabellón i, Buenos Aires 1428, Argentina
Physics Department, University Sapienza, Piazzale A. Moro 2, 00185 Rome, Italy
Año:2012
Volumen:85
Número:23
DOI: http://dx.doi.org/10.1103/PhysRevB.85.235110
Título revista:Physical Review B - Condensed Matter and Materials Physics
Título revista abreviado:Phys. Rev. B Condens. Matter Mater. Phys.
ISSN:10980121
CODEN:PRBMD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10980121_v85_n23_p_Amaricci

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Citas:

---------- APA ----------
Amaricci, A., De'Medici, L., Sordi, G., Rozenberg, M.J. & Capone, M. (2012) . Path to poor coherence in the periodic Anderson model from Mott physics and hybridization. Physical Review B - Condensed Matter and Materials Physics, 85(23).
http://dx.doi.org/10.1103/PhysRevB.85.235110
---------- CHICAGO ----------
Amaricci, A., De'Medici, L., Sordi, G., Rozenberg, M.J., Capone, M. "Path to poor coherence in the periodic Anderson model from Mott physics and hybridization" . Physical Review B - Condensed Matter and Materials Physics 85, no. 23 (2012).
http://dx.doi.org/10.1103/PhysRevB.85.235110
---------- MLA ----------
Amaricci, A., De'Medici, L., Sordi, G., Rozenberg, M.J., Capone, M. "Path to poor coherence in the periodic Anderson model from Mott physics and hybridization" . Physical Review B - Condensed Matter and Materials Physics, vol. 85, no. 23, 2012.
http://dx.doi.org/10.1103/PhysRevB.85.235110
---------- VANCOUVER ----------
Amaricci, A., De'Medici, L., Sordi, G., Rozenberg, M.J., Capone, M. Path to poor coherence in the periodic Anderson model from Mott physics and hybridization. Phys. Rev. B Condens. Matter Mater. Phys. 2012;85(23).
http://dx.doi.org/10.1103/PhysRevB.85.235110