Abstract
It is argued that a high-temperature coated conductor, despite being very thin, is describedby the same loss theory used for a typical low-temperature superconductor, except that ithas anisotropy. However, it is also argued that in both cases for a more completeunderstanding of the general loss problem the existence of a surface charge mustbe added to the standard theory. The hysteresis and coupling current loss for astriated coated conductor in a strong perpendicular ac magnetic field (but withoutnet transport current) is computed using the new theory. The total loss is thenobtained by adding a term due to eddy current loss in the substrate. The couplingcurrent loss is divided into a transverse and a longitudinal part, where the latter isneglected. The result is compared with measurements published by other authors.
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