Referenced Items are not available for this document.
We have measured the effective resistance of a Josephson junction and of an rf SQUID cooled at a temperature between 18 mK and 35 mK. From a fit of the data with a simplified solution of the master equation describing the system dynamics we found for both devices an effective resistance R/spl ap/4-5 M/spl Omega/. This value, in the same system cooled at 5 mK, would lead to a decoherence time of approximately 1.1 /spl mu/s allowing one to perform measurements of the Rabi oscillations having a tunneling frequency of the order of few MHz. This value is very promising also for the realization of qu-bits realized by means of Josephson devices.
Published in:
Applied Superconductivity, IEEE Transactions on
(Volume:9
,
Issue:
2
)
Date of Publication: June 1999
- Page(s):
- 4123 - 4126
- ISSN :
- 1051-8223
- INSPEC Accession Number:
- 6374497
- Digital Object Identifier :
- 10.1109/77.783933
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- June 1999
- Sponsored by :
- The IEEE Council on Superconductivity
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