Josephson Current in Superconductor-Ferromagnet/Insulator/d-Wave Superconductor Junctions |
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Authors: | LI Xiao-Wei and DONG Zheng-Chao |
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Institution: | Department of Physics, Huaiyin Teachers College, Huaian 223001, China |
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Abstract: | Solving the Bogoliubov-de Gennes
equation, the energy levels of bound states are obtained in the
ferromagnetic superconductor. The Josephson currents in a ferromagnetic superconductor/Insulator/d-wave superconductor junction are calculated as a function of the exchange
field, temperature, and insulating barrier strength. It is found
that the Josephson critical current is always suppressed by the
presence of exchange field h and depends on crystalline axis
orientation of d-wave superconductor. |
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Keywords: | ferromagnetic superconductor d-wave superconductor FS/I/d junction Josephson current |
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