Perturbation theory for radiation linewidth in circular Josephson-junction oscillators |
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| Affiliation: | Laboratory of Applied Mathematical Physics, The Technical University of Denmark, DK-2800 Lyngby, Denmark |
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| Abstract: | The linewidth of the radiation from the Josephson ring oscillator under the influence of an external field is predicted by a new perturbation analysis which is an imporvement of an earlier kink model. The linewidth is due to background oscillations rather than kink velocity fluctuations. |
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