Decrease of Ac Losses in High Tc Superconducting Tapes by Application of a DC Current

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dc.creatorLigneris, Benoit des
dc.creatorAubin, Marcel
dc.creatorCave, Julian
dc.creatorZhu, When
dc.creatorDolez, Patricia
dc.date1999-07-19
dc.date1999-07-20
dc.date.accessioned2026-07-07T03:13:56Z
dc.date.available2026-07-07T03:13:56Z
dc.descriptionThe ac losses in a silver-gold alloy sheathed Bi-2223 tape were measured by the null calorimetric method while a dc current was superimposed onto the ac current. As expected through computer simulations, a Clem valley was observed for the larger ac currents. A reduction of ac losses of approximately 50% at the valley minimum is observed in accord with the calculations. At lower ac currents, the data fit the calculated behavior with a single parameter, a Meissner current of 21.8 A. It is shown that a surface barrier current is incompatible with the data.
dc.description7 pages, 6 figures, CEC-ICMC 99 (Montreal) IB6 - minor changes
dc.identifierhttps://arxiv.org/abs/cond-mat/9907271
dc.identifierhttp://arxiv.org/abs/cond-mat/9907271
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/29494
dc.subjectSuperconductivity
dc.titleDecrease of Ac Losses in High Tc Superconducting Tapes by Application of a DC Current
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