| Issue |
Europhys. Lett.
Volume 38, Number 5, May II 1997
|
|
|---|---|---|
| Page(s) | 371 - 376 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1997-00253-5 | |
| 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
Received:
4
October
1996
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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