Dissipative current in SIFS Josephson junctions

A. Vasenko, S. Kawabata, A.A. Golubov, M.Yu. Kupriyanov, F.W.J. Hekking

Research output: Contribution to journalArticleAcademic

1 Citation (Scopus)


We investigate superconductor/insulator/ferromagnet/superconductor (SIFS) tunnel Josephson junctions in the dirty limit, using the quasiclassical theory. We consider the case of a strong tunnel barrier such that the left S layer and the right FS bilayer are decoupled. We calculate quantitatively the density of states (DOS) in the FS bilayer for arbitrary length of the ferromagnetic layer, using a self-consistent numerical method. We compare these results with a known analytical DOS approximation, which is valid when the ferromagnetic layer is long enough. Finally we calculate quantitatively the current–voltage characteristics of a SIFS junction
Original languageEnglish
Pages (from-to)863-866
JournalPhysica C
Issue number19
Publication statusPublished - 2010


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