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From inversion to enhancement of the dc Josephson current in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>S</mml:mi><mml:mo>/</mml:mo><mml:mi>F</mml:mi><mml:mo>−</mml:mo><mml:mi>I</mml:mi><mml:mo>−</mml:mo><mml:mi>F</mml:mi><mml:mo>/</mml:mo><mml:mi>S</mml:mi></mml:math>tunnel structures
The dependence of the critical current on relative orientation of the F layers magnetization is analyzed within the microscopic theory of the proximity effect for a junction of two proximity $S/F$ bilayers of a massive superconductor (S) / a thin ferromagnet (F) separated by an insulating (I) barrier. We demonstrate …