Magnetic polaritons at a superconductor-ferromagnet interface |
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| Authors: | D G Sannikov S V Zhirnov and D I Sementsov |
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| Institution: | (1) School of Electrical Engineering “Nikola Tesla”, Pančevo, Serbia;(2) IHTM-Institute of Microelectronic Technologies and Single Crystals, University of Belgrade, Njegoševa 12, 11000 Belgrade, Serbia;(3) Faculty of Electrical Engineering and Information Technology, Institute of Sensors and Actuating Systems, Vienna, Austria; |
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| Abstract: | The propagation of surface electromagnetic waves at the interface between a high-temperature superconductor and a ferromagnet
is considered. Dispersion relations are derived for transverse electric and transverse magnetic surface eigenwaves in the
case of various orientations of the crystallographic axes of the anisotropic superconductor with respect to the direction
of the surface wave vector. A nonreciprocal character of the propagation of transverse electric polaritons is revealed, as
well as a significant dependence of dispersion characteristics and the penetration depth on the external magnetic field. |
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