Josephson Current in f-Wave Superconductor/f-Wave Superconductor Junctions |
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Authors: | LIAO Yan-Hua DONG Zheng-Chao LIANG Zhi-Peng YIN Zai-Feng |
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Affiliation: | 1.School of Mathematics and Physics, Huangshi Institute of Technology,;Huangshi 435100, China;2.School of Science, Nantong University, Nantong 226000, China;3.Department of Physics, Suzhou University, Suzhou 215006, China;4.Department of Physics, College of Science, Yanbian University, Yanji 133002, China |
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Abstract: | We study the temperature T and the phase of the Josephson critical current I( φ ) by taking into account the roughness scattering effect at inerface in an f-wave superconductor (S)/Insulator layer (I)/f-wave superconductor (S) junction. It is found that the Josephson critical currents in f-wave S/f-wave S, the barrier strength and the roughness strength at inerface always suppress the Andreev reflection. When α =β, the phase dependence of theJosephson current I ( φ ) between two f-wave S is predicted to be sin φ; particularly, when α ≠β, the phase dependence of the Josephson current I( φ ) between two f-wave superconductors is not predicted to be sin φ and with the barrier strength increasing, the period of the I( φ ) turns decrease. |
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Keywords: | f-wave~S/f-wave S junction f-wave superconductor (fS) Josephson current |
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