Decoherence in a superconducting quantum bit circuit (Articolo in rivista)

Type
Label
  • Decoherence in a superconducting quantum bit circuit (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.72.134519 (literal)
Alternative label
  • G. Ithier 1; E. Collin 1; P. Joyez 1; P. J. Meeson 1,2; D. Vion 1; D. Esteve 1; F. Chiarello 3; A. Shnirman 4; Y. Makhlin 4,5; J. Schriefl 4,6; and G. Schön 4 (2005)
    Decoherence in a superconducting quantum bit circuit
    in Physical review. B, Condensed matter and materials physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • G. Ithier 1; E. Collin 1; P. Joyez 1; P. J. Meeson 1,2; D. Vion 1; D. Esteve 1; F. Chiarello 3; A. Shnirman 4; Y. Makhlin 4,5; J. Schriefl 4,6; and G. Schön 4 (literal)
Pagina inizio
  • 134519-1 (literal)
Pagina fine
  • 134519-22 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 72 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 22 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 13 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 Quantronics Group, Service de Physique de l'Etat Condensé, DSM/DRECAM, CEA Saclay, 91191 Gif-sur-Yvette, France 2 Department of Physics, Royal Holloway, University of London, Egham Hill, Egham, Surrey TW20 0EX, United Kingdom 3 Istituto di Fotonica e Nanotecnologia, CNR, Via Cineto Romano, 42 00156 Roma, Italy 4 Institut für Theoretische Festkörperphysik, Universität Karlsruhe, D-76128 Karlsruhe, Germany 5 Landau Institute for Theoretical Physics, Kosygin street 2, 119334 Moscow, Russia 6 Ecole Normale Supérieure de Lyon, 46 Allée d'Italie, 69364 Lyon cedex 07, France (literal)
Titolo
  • Decoherence in a superconducting quantum bit circuit (literal)
Abstract
  • Decoherence in quantum bit circuits is presently a major limitation to their use for quantum computing purposes. We present experiments, inspired from NMR, that characterize decoherence in a particular super- conducting quantum bit circuit, the quantronium. We introduce a general framework for the analysis of deco- herence, based on the spectral densities of the noise sources coupled to the qubit. Analysis of our measurements within this framework indicates a simple model for the noise sources acting on the qubit. We discuss various methods to fight decoherence. (literal)
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