Roukes, Michael L. and Wilkins, John W. (1982) Negative dynamic conductance from photon-assisted tunneling in superconducting junctions. Applied Physics Letters, 41 (8). pp. 767-769. ISSN 0003-6951. doi:10.1063/1.93671. https://resolver.caltech.edu/CaltechAUTHORS:ROUapl82
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Abstract
We show that a superconductor-insulator-superconductor (SIS) junction may exhibit regions of negative dynamic conductance if it is irradiated by a time-varying signal source which deviates from the conventionally treated constant ac voltage limit. This phenomenon reflects the strong dependence of the junction absorption cross section upon dc bias voltage. Analytic estimates for the magnitude of the negative conductance and its impact upon the frequency down conversion process are obtained in the constant ac current limit.
| Item Type: | Article | ||||||
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| Additional Information: | © 1982 American Institute of Physics. Received 21 May 1982; accepted for publication 30 July 1982. We gratefully acknowledge many discussions with Robert A. Buhrman, the encouragement of Robert C. Richardson, and early stimulation by Tord Claeson and Stefan Rudner. This work was supported by contracts from the Office of Naval Research. | ||||||
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| Issue or Number: | 8 | ||||||
| DOI: | 10.1063/1.93671 | ||||||
| Record Number: | CaltechAUTHORS:ROUapl82 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:ROUapl82 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 9730 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Tony Diaz | ||||||
| Deposited On: | 11 Mar 2008 | ||||||
| Last Modified: | 08 Nov 2021 21:01 |
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