Mode-locking in driven vortex lattices with transverse ac-drive and random pinning
Superconductivity
2007-05-23 v1
Abstract
We find mode-locking steps in simulated current-voltage characteristics of driven vortex lattices with {\it random} pinning when an applied ac-current is {\it perpendicular} to the dc-current. For low frequencies there is mode-locking only above a non-zero threshold ac force amplitude, while for large frequencies there is mode-locking for any small ac force. This is consistent with the nature of {\it transverse} temporal order in the different regimes in the absence of an applied ac-drive. For large frequencies the magnitude of the fundamental mode-locked step depends linearly with the ac force amplitude.
Keywords
Cite
@article{arxiv.cond-mat/0112318,
title = {Mode-locking in driven vortex lattices with transverse ac-drive and random pinning},
author = {Alejandro B. Kolton and Daniel Dominguez and Niels Gronbech-Jensen},
journal= {arXiv preprint arXiv:cond-mat/0112318},
year = {2007}
}
Comments
4 pages, 4 figures, .tar.gz file