Josephson current through charge density waves
Superconductivity
2009-10-30 v1
Abstract
The effect of the collective charge density wave (CDW) motion on the Josephson current in a superconductor/charge density wave/superconductor junction is studied theoretically. By deriving the kinetic equations for the coupled superconductor-CDW system, it is shown that below the critical current the CDW does not move. Biased above this value, the Josephson current oscillates as a function of the velocity of the sliding CDW and the collective mode acts as a non-linear shunting resistor parallel to the Josephson channel. The effects of impurity pinning are accounted for at a phenomenological level.
Cite
@article{arxiv.cond-mat/9707220,
title = {Josephson current through charge density waves},
author = {M. I. Visscher and B. Rejaei},
journal= {arXiv preprint arXiv:cond-mat/9707220},
year = {2009}
}
Comments
4 pages Revtex, 1 figure