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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/27766

    Title: Transient moment relaxation in high-temperature superconductors
    Authors: Xue, Y. Y.;Gao, L.;Ren, Y. T.;Chan, W. C.;Hor, P. H.;Chu, C. W.
    Contributors: 淡江大學物理學系
    Date: 1991-12
    Issue Date: 2013-07-09 15:23:57 (UTC+8)
    Publisher: College Park: American Physical Society
    Abstract: 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.
    Relation: Physical Review B (Condensed Matter) 44(21), pp.12029-12032
    DOI: 10.1103/PhysRevB.44.12029
    Appears in Collections:[Graduate Institute & Department of Physics] Journal Article

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