Volume 47, Number 5, September I 1999
|Page(s)||615 - 620|
|Section||Condensed matter: electronic structure, electrical, magnetic and optical properties|
|Published online||01 September 2002|
Microwaves-induced oscillations in Andreev tunneling
The Racah Institute of Physics, The Hebrew University - Jerusalem 91904, Israel
Accepted: 8 July 1999
In the presence of a microwave field the current-voltage characteristics of tunnel junctions acquire an oscillatory component that shows up as peaks in the vs. V plots. We show that this phenomenon is qualitatively different than the previously reported microwave-induced structure in superconducting devices. While some aspects of the phenomenon resemble photon-assisted tunneling processes, the detailed behavior suggests that it involves destruction of Andreev tunneling.
PACS: 73.40.Gk – Tunneling / 72.80.Ng – Disordered solids / 74.80.Fp – Point contacts; SN and SNS junctions
© EDP Sciences, 1999
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