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تسجيل مستخدم جديدGeometric pi Josephson junction: Current-phase relations and critical current
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Josephson junctions with an intrinsic phase shift of pi, so-called pi Josephson junctions, can be realized by a weak link of a d-wave superconductor with an appropriate boundary geometry. A model for the pairing potential of an according weak link is introduced which allows for the calculation of the influence of geometric parameters and temperature. From this model, current-phase relations and the critical current of the device are derived. The range of validity of the model is determined by comparison with selfconsistent solutions.
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W. A. C. Passos
, U. R. de Oliveira
, W. A. Ortiz (Grupo den Supercondutividade e Magnetismo
2000
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W. A. C. Passos
, P. N. Lisboa-Filho
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2000
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