Superconducting Vortices and Elliptical Ferromagnetic Textures

Physics – Condensed Matter – Superconductivity

Scientific paper

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4 pages, 5figures

Scientific paper

10.1103/PhysRevB.69.012505

In this article an analytical and numerical study of superconducting thin film with ferromagnetic textures of elliptical geometries in close proximity is presented. The screening currents induced in the superconductor due to the magnetic texture are calculated. Close to the superconducting transition temperature $T_c$ the spontaneous creation of superconducting vortices becomes energy favorable depending on the value of the magnetization and the geometrical quantities of the magnetic texture. The creation of vortices by elliptic dots is more energy favorable than those created by circular ones. The superconductor covered by elliptic dots array exhibits anisotropic transport properties.

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