Photon-assisted tunneling in normal-metal point contacts

R.W. van der Heijden, H.M. Swartjes, P. Wyder

Research output: Contribution to journalArticleAcademicpeer-review

8 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)3513-3515
Number of pages3
JournalPhysical Review B
Issue number6
Publication statusPublished - 1984
Externally publishedYes


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