Anomalous properties of thin films of ferromagnetic superconductors |
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| Authors: | A Kotani S Takahashi M Tachiki H Matsumoto H Umezawa |
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| Institution: | The Research Institute for Iron, Steel and Other Metals Tohoku University, Katahira, Sendai, 980 Japan;Department of Physics, The University of Alberta Edmonton, Alberta, T6G 2J1 Canada |
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| Abstract: | Anomalous magnetic and superconducting behavior which originates from the electromagnetic interaction between the persistent current and the rare earth magnetic moments is theoretically predicted in thin films of ferromagnetic superconductors. It is shown that the ferromagnetic ordering can coexist with superconductivity for films of thickness smaller than the London penetration depth. The ferromagnetic phase transition is of the second order and its critical temperature depends on the thickness of the film. |
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