Abstract

We demonstrate that the multilayered superconductor-ferromagnet structures can be used in order to detect the triplet component of the superconducting condensate. The latter one is odd in frequency and is generated if the magnetizations of different ferromagnetic layers are non-collinear. This triplet condensate coexists in superconductors with the conventional singlet pairing but decays very slowly in the ferromagnet. If the thickness of the ferromagnetic layers is large enough the Josephson coupling is only due to the triplet component. Depending on the mutual direction of the ferromagnetic moments the coupling can be both of 0 and π type.

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