http://www.cnr.it/ontology/cnr/individuo/prodotto/ID198337
Path to poor coherence in the periodic Anderson model from Mott physics and hybridization (Articolo in rivista)
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- Path to poor coherence in the periodic Anderson model from Mott physics and hybridization (Articolo in rivista) (literal)
- Anno
- 2012-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevB.85.235110 (literal)
- Alternative label
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
in Physical review. B, Condensed matter and materials physics; APS, American physical society, College Park, MD (Stati Uniti d'America)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Amaricci, A.; de' Medici, L., Sordi, G.; Rozenberg, M.J.; Capone, M. (literal)
- Pagina inizio
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
- http://prb.aps.org/abstract/PRB/v85/i23/e235110 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
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- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1CNR-IOM, SISSA, Via Bonomea 265, 34136 Trieste, Italy
2Laboratoire de Physique des Solides, CNRS-UMR8502, Université Paris-Sud, Orsay 91405, France
3Theory Group, Institut Laue Langevin, 6 Rue J. Horowitz, 38042 Grenoble, France
4Departamento de Física, FCEN, Universidad de Buenos Aires, Ciudad Universitaria, Pabellón I, Buenos Aires 1428, Argentina
5Physics Department, University \"Sapienza\", Piazzale A. Moro 2, 00185 Rome, Italy (literal)
- Titolo
- Path to poor coherence in the periodic Anderson model from Mott physics and hybridization (literal)
- 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. (literal)
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