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1 CPMOH - Centre de physique moléculaire optique et hertzienne 2 IUF - Institut Universitaire de France

Abstract : We consider a Josephson junction where the weak-link is formed by a non-centrosymmetric ferromagnet. In such a junction, the superconducting current acts as a direct driving force on the magnetic moment. We show that the a.c. Josephson effect generates a magnetic precession providing then a feedback to the current. Magnetic dynamics result in several anomalies of current-phase relations second harmonic, dissipative current which are strongly enhanced near the ferromagnetic resonance frequency.

Mots-clés : Landau-Lifshitz-Gilbert equation magnetization dynamics superconductor-ferromagnet-superconductor junction Josephson junction spin-orbit coupling

Author: François Konschelle - Alexandre I. Buzdin -



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