Optimal dynamics for quantum-state and entanglement transfer through homogeneous quantum systems (Articolo in rivista)

Type
Label
  • Optimal dynamics for quantum-state and entanglement transfer through homogeneous quantum systems (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevA.82.052321 (literal)
Alternative label
  • Banchi L. (1); Apollaro T.J.G. (1,2); Cuccoli A. (1,3); Vaia R. (2); Verrucchi P. (2,1,3); (2010)
    Optimal dynamics for quantum-state and entanglement transfer through homogeneous quantum systems
    in Physical review. A
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Banchi L. (1); Apollaro T.J.G. (1,2); Cuccoli A. (1,3); Vaia R. (2); Verrucchi P. (2,1,3); (literal)
Pagina inizio
  • 052321-1 (literal)
Pagina fine
  • 052321-5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 82 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • American Physical Society. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1) Dipartimento di Fisica e Astronomia, Università di Firenze, via G. Sansone 1, I-50019 Sesto Fiorentino (FI), Italy 2) Istituto dei Sistemi Complessi, C.N.R., via Madonna del Piano 10, I-50019 Sesto Fiorentino (FI), Italy 3) INFN, Sezione di Firenze, via G. Sansone 1, I-50019 Sesto Fiorentino (FI), Italy (literal)
Titolo
  • Optimal dynamics for quantum-state and entanglement transfer through homogeneous quantum systems (literal)
Abstract
  • The capability of faithfully transmit quantum states and entanglement through quantum channels is one of the key requirements for the development of quantum devices. Different solutions have been proposed to accomplish such a challenging task, which, however, require either an ad hoc engineering of the internal interactions of the physical system acting as the channel or specific initialization procedures. Here we show that optimal dynamics for efficient quantum-state and entanglement transfer can be attained in generic quantum systems with homogeneous interactions by tuning the coupling between the system and the two attached qubits. We devise a general procedure to determine the optimal coupling, and we explicitly implement it in the case of a channel consisting of a spin-1/2 XY chain. The quality of quantum-state and entanglement transfer is found to be very good and, remarkably, almost independent of the channel length. (literal)
Prodotto di
Autore CNR
Insieme di parole chiave

Incoming links:


Autore CNR di
Prodotto
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
Insieme di parole chiave di
data.CNR.it