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Spin-Triplet Andreev Reflection in Ferromagnet/Ferromangnet/s-Wave Superconductor Junctions 下载免费PDF全文
Four-component Bogoliubov-de Gennes equations are applied to study the tunnelling conductance spectra G( E) of half-metallic ferromagnet/ferromagnet/s-wave superconductor tunnel junctions. It is found that only for noncollinear magnetizations, there exists nonzero G( E) structure within the energy gap, which is a signature of appearance of the novel Andreev reflection and spin-triplet pairing correlations. 相似文献
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