Published October 15, 1982
| Published
Journal Article
Open
Negative dynamic conductance from photon-assisted tunneling in superconducting junctions
- Creators
-
Roukes, Michael L.
- Wilkins, John W.
Chicago
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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.
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.Attached Files
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Additional details
- Eprint ID
- 9730
- Resolver ID
- CaltechAUTHORS:ROUapl82
- Office of Naval Research (ONR)
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2008-03-11Created from EPrint's datestamp field
- Updated
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2021-11-08Created from EPrint's last_modified field