Volume 38, Number 5, May II 1997
|Page(s)||371 - 376|
|Section||Condensed matter: electronic structure, electrical, magnetic and optical properties|
|Published online||01 September 2002|
Non-stationary Josephson effect for superconductors with charge-density waves: NbSe3
Crystal Physics Department, Institute of Physics, National Academy of Sciences, 252650 Kiev-22 GSP, prospekt Nauki 46, Ukraine
Accepted: 3 April 1997
Non-stationary Josephson and quasiparticle currents, and quasiparticle conductance across tunnel junctions with charge-density wave (CDW) superconductors are calculated. Riedel-type singularities and jumps are found at biases , and (symmetrical junctions) and at , (non-symmetrical ones). Here e is the electron charge, , and are the superconducting gaps for CDW and BCS superconductors, is the dielectric gap. The possiblity of non-symmetrical current-voltage dependence for symmetrical junctions is shown. Calculations are made for .
PACS: 74.20.-z – Theories and models of superconducting state / 74.50.+r – Proximity effects, weak links, tunneling phenomena, and Josephson effects / 71.45.Lr – Charge-density-wave systems
© EDP Sciences, 1997
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