Theory of the Josephson Current in a Finite Thickness Junction
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概要
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The Josephson current in a system which has films of finite thickness separated by a barrier is estimated using the boson theory. As the London penetration depth diverges at the superconducting critical temperature T_c, the self magnetic field induced by the persistent current is strongly affected by temperature and decreases drastically near T_c in a thin film. As a result, the current also decreases drastically near T_c for a thin film. Numerical calculations of the maximum dc Josephson current and the magnetic field are given.
- 社団法人応用物理学会の論文
- 1981-08-05
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