Resonances in symmetric Josephson interferometers
A simple analytical theory is presented which calculates the current due to self-induced resonances in symmetric two-junction Josephson interferometers as a function of voltage, control current, and damping. Experimental measurements of interferometer I-V curves near a resonance and of peak resonanc...
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| Veröffentlicht in: | Appl. Phys. Lett.; (United States) 1980-07, Vol.37 (2), p.241-243 |
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| container_title | Appl. Phys. Lett.; (United States) |
| container_volume | 37 |
| creator | Tuckerman, David B. Magerlein, J. H. |
| description | A simple analytical theory is presented which calculates the current due to self-induced resonances in symmetric two-junction Josephson interferometers as a function of voltage, control current, and damping. Experimental measurements of interferometer I-V curves near a resonance and of peak resonance amplitudes as a function of control current were carried out and found to agree with the theory. The existence of a negative-resistance region in the I-V curves of lightly damped, current-biased interferometers is predicted and experimentally verified. The theory allows accurate determination of the resonant voltage and the interferometer damping from experimental I-V curves. |
| doi_str_mv | 10.1063/1.91839 |
| format | Article |
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Lett.; (United States)</jtitle><date>1980-07-15</date><risdate>1980</risdate><volume>37</volume><issue>2</issue><spage>241</spage><epage>243</epage><pages>241-243</pages><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>A simple analytical theory is presented which calculates the current due to self-induced resonances in symmetric two-junction Josephson interferometers as a function of voltage, control current, and damping. Experimental measurements of interferometer I-V curves near a resonance and of peak resonance amplitudes as a function of control current were carried out and found to agree with the theory. The existence of a negative-resistance region in the I-V curves of lightly damped, current-biased interferometers is predicted and experimentally verified. The theory allows accurate determination of the resonant voltage and the interferometer damping from experimental I-V curves.</abstract><cop>United States</cop><doi>10.1063/1.91839</doi><tpages>3</tpages></addata></record> |
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| ispartof | Appl. Phys. Lett.; (United States), 1980-07, Vol.37 (2), p.241-243 |
| issn | 0003-6951 1077-3118 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_23865933 |
| source | AIP Digital Archive |
| subjects | 420201 - Engineering- Cryogenic Equipment & Devices CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COMPARATIVE EVALUATIONS CURRENTS DATA ELECTRIC CURRENTS INFORMATION INTERFEROMETERS JOSEPHSON EFFECT MATHEMATICAL MODELS MEASURING INSTRUMENTS NUMERICAL DATA RESONANCE SYMMETRY THEORETICAL DATA |
| title | Resonances in symmetric Josephson interferometers |
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