On the stability of quantum holonomic gates (Articolo in rivista)

Type
Label
  • On the stability of quantum holonomic gates (Articolo in rivista) (literal)
Anno
  • 2012-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/1367-2630/14/9/093006 (literal)
Alternative label
  • P Solinas 1,4,5,6, M Sassetti 1,3, P Truini 1,2 and N Zanghì 1,2 (2012)
    On the stability of quantum holonomic gates
    in New journal of physics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • P Solinas 1,4,5,6, M Sassetti 1,3, P Truini 1,2 and N Zanghì 1,2 (literal)
Pagina inizio
  • 93006-13 (literal)
Pagina fine
  • 96003-3 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 14 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 13 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 93006-1 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 Dipartimento di Fisica, Università di Genova, Via Dodecaneso 33, 16146 Genova, Italy 2 Istituto Nazionale di Fisica Nucleare (Sezione di Genova), Via Dodecaneso 33, 16146 Genova, Italy 3 SPIN-CNR, Via Dodecaneso 33, 16146 Genova, Italy 4 Low Temperature Laboratory (OVLL), Aalto University School of Science, PO Box 13500, 00076 Aalto, Finland 5 COMP Centre of Excellence, Department of Applied Physics, Aalto University School of Science, PO Box 11000, 00076 Aalto, Finland (literal)
Titolo
  • On the stability of quantum holonomic gates (literal)
Abstract
  • We provide a unified geometrical description for analyzing the stability of holonomic quantum gates in the presence of imprecise driving controls (parametric noise). We consider the situation in which these fluctuations do not affect the adiabatic evolution but can reduce the logical gate performance. Using the intrinsic geometric properties of the holonomic gates, we show under which conditions of the noise's correlation time and strength the fluctuations in the driving field cancel out. In this way, we provide theoretical support for previous numerical simulations. We also briefly comment on the error due to the mismatch between the real and the nominal time of the period of the driving fields and show that it can be reduced by suitably increasing the adiabatic time. (literal)
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