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Spontaneous spin current near the interface between unconventional superconductors and ferromagnets
2004
Physical Review B
We study theoretically the proximity effect between ferromagnets (F) and superconductors (S) with broken time-reversal symmetry ( T). A chiral (p_x± ip_y)-wave, and a d_x^2-y^2-wave superconductor, the latter of which can form T-breaking surface state, i.e., (d_x^2-y^2± is)-state, are considered for the S side. The spatial variations of the superconducting order parameters and the magnetization are determined by solving the Bogoliubov de Gennes equation. In the case of a chiral (p_x± ip_y)-wave
doi:10.1103/physrevb.70.214524
fatcat:27iv7iid3jfc7jwrcih3wd6c7y