On the Irreversibility Line in Superconductors
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The irreversibility lines have been comparatively investigated for conventional commercial (Nb, Ti)_3Sn and high-T_c Y_1Ba_2Cu_3O_7 superconductors. It is found that for both superconductors the irreversibility line obtained in magnetization measurements is related to the flux depinning field B at which the transport critical current goes to zero. The relationship between the flux lattice melting and the flux depinning is proposed from the viewpoint of the field and temperature (B, T) phase diagram.
- 社団法人応用物理学会の論文
- 1992-11-15
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