Parametric amplification of nonlinear response of single-crystal niobium

Menachem I. Tsindlekht, Irena Shapiro, Moshe Gitterman

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Giant enhancement of the nonlinear response of a single-crystal Nb sample, placed in a pumping ac magnetic field, has been observed experimentally. The experimentally observed amplitude of the output signal is about three orders of magnitude higher than that seen without parametric pumping. The theoretical analysis based on the extended double-well potential model provides a qualitative explanation of the experimental results as well as new predictions of two bifurcations for specific values of the pumping signal.

Original languageEnglish
Pages (from-to)824-829
Number of pages6
JournalSuperconductor Science and Technology
Issue number6
StatePublished - 1 Jun 2005


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