Photon-assisted tunneling in normal-metal point contacts
R. W. van der HeijdenResearch Institute for Materials, University of Nijmegen, Toernooiveld, 6525 ED Nijmegen, The NetherlandsH. M. SwartjesResearch Institute for Materials, University of Nijmegen, Toernooiveld, 6525 ED Nijmegen, The NetherlandsP. WyderResearch Institute for Materials, University of Nijmegen, Toernooiveld, 6525 ED Nijmegen, The Netherlands
1984en
ABI
Аннотация
It is shown experimentally that the response of normal-metal point contacts at low temperatures to radiation starts to deviate from classical detection when the frequency approaches the Debye frequency. The high-frequency response can be described with the photon-assisted tunneling (PAT) theory. This implies the first observation of the PAT effect in a nonlinear element where no superconductor is involved.
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