"Coherence Length" characterizes the distance in a superconductor over which the effect of a perturbation is appreciable.
Applicable units are those of quantitykind:Length
http://en.wikipedia.org/wiki/Coherence_length
"Coherence Length" characterizes the distance in a superconductor over which the effect of a perturbation is appreciable.
http://www.iso.org/iso/catalogue_detail?csnumber=31897