Relevance of phonon dynamics in strongly correlated systems coupled to phonons: Dynamical mean-field theory analysis (Articolo in rivista)

Type

• Articolo in rivista (Classe)
• Prodotto della ricerca (Classe)

Label

• Relevance of phonon dynamics in strongly correlated systems coupled to phonons: Dynamical mean-field theory analysis (Articolo in rivista) (literal)

Anno

• 2006-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

• 10.1103/PhysRevB.73.165123 (literal)

Alternative label

• Giorgio Sangiovanni (1); Massimo Capone (2,3); Claudio Castellani (3) (2006)
  Relevance of phonon dynamics in strongly correlated systems coupled to phonons: Dynamical mean-field theory analysis
  in Physical review. B, Condensed matter and materials physics
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• Giorgio Sangiovanni (1); Massimo Capone (2,3); Claudio Castellani (3) (literal)

Pagina inizio

• 165123 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url

• http://link.aps.org/doi/10.1103/PhysRevB.73.165123 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 73 (literal)

Rivista

• Physical review. B, Condensed matter and materials physics (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali

• 9 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo

• 16 (literal)

Note

• ISI Web of Science (WOS) (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• (1) Max-Planck Institut für Festkörperforschung, Heisenbergstrasse 1, D-70569 Stuttgart, Germany (2) Istituto dei Sistemi Complessi, Consiglio Nazionale delle Ricerche, Via dei Taurini 19, I-00185 Roma, Italy (3) CNR-INFM Statistical Mechanics and Complexity Center, and Dipartimento di Fisica Università di Roma \"La Sapienza\" piazzale Aldo Moro 5, I-00185 Roma, Italy (literal)

Titolo

• Relevance of phonon dynamics in strongly correlated systems coupled to phonons: Dynamical mean-field theory analysis (literal)

Abstract

• The properties of the electron-phonon interaction in the presence of a sizable electronic repulsion at finite doping are studied by investigating the metallic phase of the Hubbard-Holstein model with dynamical mean-field theory. Analyzing the quasiparticle weight at finite doping, we find that a large Coulomb repulsion reduces the effect of electron-phonon coupling at low energy, while this reduction is not present at high energy. The renormalization of the electron-phonon coupling induced by the Hubbard repulsion depends in a surprisingly strong and nontrivial way on the phonon frequency. Our results suggest that phonon might affect differently high-energy and low-energy properties and this, together with the effect of phonon dynamics, should be carefully taken into account when the effects of the electron-phonon interaction in a strongly correlated system, like the superconducting cuprates, are discussed. (literal)

Prodotto di

• La complessità nella fisica dello stato solido (MD.P02.011.001) (Modulo)

Autore CNR

• CLAUDIO CASTELLANI (Persona)
• MASSIMO CAPONE (Unità di personale interno)

Insieme di parole chiave

• Parole chiave di "Relevance of phonon dynamics in strongly correlated systems coupled to phonons: Dynamical mean-field theory analysis" (Insieme di parole chiave)

Incoming links:

Autore CNR di

• MASSIMO CAPONE (Unità di personale interno)
• CLAUDIO CASTELLANI (Persona)

Prodotto

• La complessità nella fisica dello stato solido (MD.P02.011.001) (Modulo)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• Physical review. B, Condensed matter and materials physics (Rivista)

Insieme di parole chiave di

• Parole chiave di "Relevance of phonon dynamics in strongly correlated systems coupled to phonons: Dynamical mean-field theory analysis" (Insieme di parole chiave)