On the mechanism of dissipation in the internal Josephson effect in layered superconductors at low temperatures |
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Authors: | S N Artemenko |
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Institution: | (1) Institute of Radio Engineering and Electronics, Russian Academy of Sciences, 103907 Moscow, Russia |
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Abstract: | The current-voltage characteristics (IVCs) of a layered superconductor with singlet d pairing at low temperatures are calculated in the internal Josephson effect (IJE) regime. Coherent electron tunneling between
layers is assumed. A finite resistance of the superconductor in the resistive state arises because of quasiparticle transitions
through the superconducting gap near nodes. Because of charge effects the interaction of the Josephson junctions formed by
the layers does not lead to substantial differences in the shapes of different branches of the IVCs. The model describes the
basic qualitative features of the effect in high-temperature superconductors for voltages which are low compared with the
amplitude of the superconducting gap.
Pis’ma Zh. éksp. Teor. Fiz. 70, No. 8, 516–521 (25 October 1999) |
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Keywords: | |
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