A hysteretic dc SQUID reading the flux states of an rf SQUID (Articolo in rivista)

Type
Label
  • A hysteretic dc SQUID reading the flux states of an rf SQUID (Articolo in rivista) (literal)
Anno
  • 2001-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1109/77.919515 (literal)
Alternative label
  • Carlo Cosmelli; Pasquale Carelli; Maria Gabriella Castellano; Fabio Chiarello; Roberto Leoni; Guido Torrioli (2001)
    A hysteretic dc SQUID reading the flux states of an rf SQUID
    in IEEE transactions on applied superconductivity (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Carlo Cosmelli; Pasquale Carelli; Maria Gabriella Castellano; Fabio Chiarello; Roberto Leoni; Guido Torrioli (literal)
Pagina inizio
  • 990 (literal)
Pagina fine
  • 993 (literal)
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  • 11 (literal)
Rivista
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  • 4 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • Scopus (literal)
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  • C. Cosmelli and F. Chiarello are with the Dipartimento di Fisica, Universith La Sapienza, 00185 Roma, Italy and INFN sez. di Roma, Italy. (e- mail: carlo.cosmelli@romal.infn.it). P. Carelli is with Dipartimento di Energia Elettrica, Universitd de L'Aquila, 67040 Molteluco di Roio, L' Aquila and INFN, gruppo Gran Sasso, Italy. M.G. Castellano, R. Leoni and G. Torrioli are with Istituto di Elettronica dello Stat0 Solido, CNR, 00156 Roma, and INFN sez di Roma, Italy. (literal)
Titolo
  • A hysteretic dc SQUID reading the flux states of an rf SQUID (literal)
Abstract
  • We have realized a hysteretic de SQUID to measure the flux states of a rf SQUID inductively coupled to the hysteretic de SQUID. This type of measurement is required whenever is necessary to make a non invasive measure of the state of the rf SQUID. This is the case of measurements of macroscopic quantum coherence or measurements on q-bits systems, With the proposed set up the hysteretic de SQUID can switch from the superconducting to the normal state depending on the total applied magnetic flux. On this system we measured at 4.2 K the change on the switching probability of the de SQUID by varying the nux state of the rf SQUID. The experimental results agree very well with the theoretical predictions showing that this device can be used to perform non invasive measurements of the rf SQUID flux state. (literal)
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