Dependence on the pump frequency of the sensitivity of the rf SQUID |
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| Authors: | Reino I. Keränen Juhani Kurkijärvi |
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| Affiliation: | (1) Department of Technical Physics, Helsinki University of Technology, Espoo, Finland |
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| Abstract: | Numerical simulation techniques are used to investigate the frequency dependence of the noise of the hysteretic rf SQUID up to frequencies on the order ofR/L. An exact lower bound for the noise of the instrument is given as a function of the parameters of the SQUID ring, pump frequency, and the temperature. This result is compared with the predictions of a scaling argument and with experiment. |
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