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    題名: Transient moment relaxation in high-temperature superconductors
    作者: Xue, Y. Y.;Gao, L.;Ren, Y. T.;Chan, W. C.;Hor, P. H.;Chu, C. W.
    貢獻者: 淡江大學物理學系
    日期: 1991-12
    上傳時間: 2013-07-09 15:23:57 (UTC+8)
    出版者: College Park: American Physical Society
    摘要: The decays of the persistent supercurrent have been derived for several characteristic I-V relationships with few sample-dependent parameters. The results are compared with recent short-time flux-creep data in a short ‘‘transient’’ time window (10-4–102 s). The results favor the I-V characteristics V∝exp[-(I0/I)μ], as predicted by the collective-pinning and vortex-glass models. However, the μ so obtained is greater than 1, in contrast with that predicted. This may imply a different type of vortex elemental excitation observed in our low-field conditions.
    關聯: Physical Review B (Condensed Matter) 44(21), pp.12029-12032
    DOI: 10.1103/PhysRevB.44.12029
    顯示於類別:[物理學系暨研究所] 期刊論文

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