HTSC的非对数磁化弛豫
Nonlogarithmic magnetization relaxation in HTSC
摘要：
对YBCO单晶样品在超导相变点附近的低密度俘获磁通量动力学进行了实验研究。在这样的弱磁场中，首次观察到了类似于热助通量流态（TAFF）的涡旋动力学。结果表明，Zeldov的热激活蠕变模型成功地描述了在我们的实验中的YBCO单晶的磁化行为。在此模型的框架内，归一化弛豫速率的估计。
英文摘要：
An experimental study of low density captured magnetic flux dynamics in YBCO single crystal samples near the superconducting phase transition point has been performed. Vortex dynamics similar to thermally assisted flux flow regime (TAFF) has been observed for the first time in such weak fields. It will be shown that Zeldov's thermoactivated creep model successfully describes the behavior of the magnetization in the YBCO single crystals in our experiments. Within the framework of this model the estimation of normalized relaxation rate was made.
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