Determination of critical current density in melt-processed HTS bulks from levitation force measurements
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A simple approach to describe the levitation force measurements on melt-processed HTS bulks was developed. A couple of methods to determine the critical current density $J_c$ were introduced. The averaged $ab$-plane $J_c$ values for the field parallel to this plane were determined. The first and second levitation force hysteresis loops calculated with these $J_c$ values coincide remarkably well with the experimental data.
10 pages (tex), 2 figures (in jpeg)
10 pages (tex), 2 figures (in jpeg)