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| Mechanisms of the pancake vortex and vortex line movement in the high T_c superconductors Bi_2Sr_2CaCu_2O_8+δ and La_(1.93)Sr0.0_7CuO_4+δ | |
| 作者姓名： | WANG WeiXian ZHOU Fang TAN Shun WU Huan & ZHANG YuHeng National High Magnetic Field Laboratory University of Science and Technology of China Hefei China National Laboratory for Superconductivity lnstitute of Physics and the Center for Condensed Matter Physics Chinese Academy of Sciences Beijing China |
| 作者单位： | WANG WeiXian1，ZHOU Fang2，TAN Shun1，WU Huan1 & ZHANG YuHeng1 1 National High Magnetic Field Laboratory，University of Science and Technology of China，Hefei 230026，China;2 National Laboratory for Superconductivity，lnstitute of Physics and the Center for Condensed Matter Physics，Chinese Academy of Sciences，Beijing 100080，China |
| 基金项目： | the National Natural Science Foundation of China(Grant No.10334090)，the Ministry of Science and Technology of China(GrantNo.NKBRSF-G19990646) |
| 摘 要： | In the strict sense, it is not very clear why with magnetic field increasing, the normal-superconductive (NS) transition becomes broad for Bi2Sr2CaCu208+δ(Bi2212) while the NS transitions are almost parallel for La193Sroo7Cu04+δ(La214). In this paper, R-T relations are measured by the six-probe method. We propose a moving mechanism of the pancake vortex and vortex line for Bi2212. The theoretical curves fit the experiment data well. |
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