Witnessing the formation and relaxation of dressed quasi-particles in a strongly correlated electron system (Articolo in rivista)

Type
Label
  • Witnessing the formation and relaxation of dressed quasi-particles in a strongly correlated electron system (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1038/ncomms6112 (literal)
Alternative label
  • Novelli, Fabio; De Filippis, Giulio; Cataudella, Vittorio; Esposito, Martina; Vergara, Ignacio; Cilento, Federico; Sindici, Enrico; Amaricci, Adriano; Giannetti, Claudio; Prabhakaran, Dharmalingam; Wall, Simon; Perucchi, Andrea; Dal Conte, Stefano; Cerullo, Giulio; Capone, Massimo; Mishchenko, Andrey; Grueninger, Markus; Nagaosa, Naoto; Parmigiani, Fulvio; Fausti, Daniele (2014)
    Witnessing the formation and relaxation of dressed quasi-particles in a strongly correlated electron system
    in Nature communications
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Novelli, Fabio; De Filippis, Giulio; Cataudella, Vittorio; Esposito, Martina; Vergara, Ignacio; Cilento, Federico; Sindici, Enrico; Amaricci, Adriano; Giannetti, Claudio; Prabhakaran, Dharmalingam; Wall, Simon; Perucchi, Andrea; Dal Conte, Stefano; Cerullo, Giulio; Capone, Massimo; Mishchenko, Andrey; Grueninger, Markus; Nagaosa, Naoto; Parmigiani, Fulvio; Fausti, Daniele (literal)
Pagina inizio
  • 5112 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 5 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 8 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • University of Trieste; Elettra Sincrotrone Trieste SCpA; Consiglio Nazionale delle Ricerche (CNR); University of Naples Federico II; University of Cologne; Consiglio Nazionale delle Ricerche (CNR); International School for Advanced Studies; Catholic University of the Sacred Heart; Catholic University of the Sacred Heart; University of Oxford; ICFO Inst Ciencies Foton; INSTM UdR Trieste ST; Polytechnic University of Milan; RIKEN; National Research Centre - Kurchatov Institute; University of Tokyo (literal)
Titolo
  • Witnessing the formation and relaxation of dressed quasi-particles in a strongly correlated electron system (literal)
Abstract
  • The non-equilibrium approach to correlated electron systems is often based on the paradigm that different degrees of freedom interact on different timescales. In this context, photo-excitation is treated as an impulsive injection of electronic energy that is transferred to other degrees of freedom only at later times. Here, by studying the ultrafast dynamics of quasi-particles in an archetypal strongly correlated charge-transfer insulator (La2CuO4+delta), we show that the interaction between electrons and bosons manifests itself directly in the photo-excitation processes of a correlated material. With the aid of a general theoretical framework (Hubbard-Holstein Hamiltonian), we reveal that sub-gap excitation pilots the formation of itinerant quasi-particles, which are suddenly dressed by an ultrafast reaction of the bosonic field. (literal)
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