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首页> 外文期刊>Physica, C. Superconductivity and its applications >Dissipation of quantized vortex of high-T-c superconductors investigated by microwave impedance: Novel physics in nano-scale space
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Dissipation of quantized vortex of high-T-c superconductors investigated by microwave impedance: Novel physics in nano-scale space

机译:微波阻抗研究高T-c超导体量化涡旋的耗散:纳米尺度空间中的新型物理学

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Dissipation by the vortex motion in cuprate superconductors was investigated by the microwave surface impedance measurement. We discuss our experimental results, with particular interest in comparison with the quasiparticle scattering time in the vortex core with that in the Meissner state, and in the effect of impurity doping. It was found that the moderately clean core picture was rather generic in the high-T-c cuprate. This means the importance of the Andreev reflection at the core boundary for the dissipation by the vortex motion. We argue that the large dissipation by the motion of vortex core is the manifestation of the novel mechanism characteristic of the moderately clean core. (C) 2007 Elsevier B.V. All rights reserved.
机译:通过微波表面阻抗测量研究了铜酸盐超导体中涡旋运动的耗散。我们讨论了我们的实验结果,特别是将其与涡旋核中的准粒子散射时间(与迈斯纳状态中的准粒子散射时间)以及杂质掺杂的影响进行了比较。结果发现,在T-c高铜酸盐中,中等清洁的核芯图片相当普通。这意味着在核心边界处进行安德列夫反射对于涡旋运动消散的重要性。我们认为,旋涡芯运动引起的大耗散是中等清洁芯新机制特征的体现。 (C)2007 Elsevier B.V.保留所有权利。

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